13031131221210 has 32 divisors (see below), whose sum is σ = 32037512859072. Its totient is φ = 3390213000320.

The previous prime is 13031131221187. The next prime is 13031131221223. The reversal of 13031131221210 is 1212213113031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5297206584 + ... + 5297209043.

It is an arithmetic number, because the mean of its divisors is an integer number (1001172276846).

Almost surely, 2^{13031131221210} is an apocalyptic number.

13031131221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031131221210 is an abundant number, since it is smaller than the sum of its proper divisors (19006381637862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031131221210 is a wasteful number, since it uses less digits than its factorization.

13031131221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10594415678.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13031131221210 its reverse (1212213113031), we get a palindrome (14243344334241).

The spelling of 13031131221210 in words is "thirteen trillion, thirty-one billion, one hundred thirty-one million, two hundred twenty-one thousand, two hundred ten".