13131102320 has 60 divisors (see below), whose sum is σ = 35514282744. Its totient is φ = 4502090880.

The previous prime is 13131102319. The next prime is 13131102337. The reversal of 13131102320 is 2320113131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1670966 + ... + 1678805.

Almost surely, 2^13131102320 is an apocalyptic number.

13131102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131102320 is an abundant number, since it is smaller than the sum of its proper divisors (22383180424).

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

13131102320 is a wasteful number, since it uses less digits than its factorization.

13131102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349798 (or 3349785 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13131102320 its reverse (2320113131), we get a palindrome (15451215451).

The spelling of 13131102320 in words is "thirteen billion, one hundred thirty-one million, one hundred two thousand, three hundred twenty".