131331313211312 has 40 divisors (see below), whose sum is σ = 265522802595840. Its totient is φ = 62809410340160.

The previous prime is 131331313211299. The next prime is 131331313211353. The reversal of 131331313211312 is 213112313133131.

It is a super-2 number, since 2×131331313211312² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15691889 + ... + 22558767.

It is an arithmetic number, because the mean of its divisors is an integer number (6638070064896).

Almost surely, 2^{131331313211312} is an apocalyptic number.

It is an amenable number.

131331313211312 is an abundant number, since it is smaller than the sum of its proper divisors (134191489384528).

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

131331313211312 is a wasteful number, since it uses less digits than its factorization.

131331313211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918881 (or 6918875 counting only the distinct ones).

The product of its digits is 2916, while the sum is 29.

Adding to 131331313211312 its reverse (213112313133131), we get a palindrome (344443626344443).

The spelling of 131331313211312 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, three hundred thirteen million, two hundred eleven thousand, three hundred twelve".