What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

Find the next number in the series below

21 32 54 87 131 ?

I don't get anymore wetter, no matter how much rain falls on me.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

What do you answer even though it never asks you questions?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

The more you take me, the more you leave me behind.
Who Am I?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?