13231320112312 has 32 divisors (see below), whose sum is σ = 25179330600720. Its totient is φ = 6516834508800.

The previous prime is 13231320112303. The next prime is 13231320112333. The reversal of 13231320112312 is 21321102313231.

It is a congruent number.

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, 70023562 + ... + 70212262.

Almost surely, 2^{13231320112312} is an apocalyptic number.

It is an amenable number.

13231320112312 is a deficient number, since it is larger than the sum of its proper divisors (11948010488408).

13231320112312 is a wasteful number, since it uses less digits than its factorization.

13231320112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319591 (or 319587 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13231320112312 its reverse (21321102313231), we get a palindrome (34552422425543).

The spelling of 13231320112312 in words is "thirteen trillion, two hundred thirty-one billion, three hundred twenty million, one hundred twelve thousand, three hundred twelve".