13231320102312 has 32 divisors (see below), whose sum is σ = 35622784891680. Its totient is φ = 4071175416000.

The previous prime is 13231320102239. The next prime is 13231320102323. The reversal of 13231320102312 is 21320102313231.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 21204038314 + ... + 21204038937.

It is an arithmetic number, because the mean of its divisors is an integer number (1113212027865).

Almost surely, 2^{13231320102312} is an apocalyptic number.

13231320102312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13231320102312 is an abundant number, since it is smaller than the sum of its proper divisors (22391464789368).

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

13231320102312 is a wasteful number, since it uses less digits than its factorization.

13231320102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42408077273 (or 42408077269 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13231320102312 its reverse (21320102313231), we get a palindrome (34551422415543).

The spelling of 13231320102312 in words is "thirteen trillion, two hundred thirty-one billion, three hundred twenty million, one hundred two thousand, three hundred twelve".