231521044315112 has 32 divisors (see below), whose sum is σ = 472706306460000. Its totient is φ = 105886212643008.

The previous prime is 231521044315039. The next prime is 231521044315117. The reversal of 231521044315112 is 211513440125132.

231521044315112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231521044315117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26261457062 + ... + 26261465877.

It is an arithmetic number, because the mean of its divisors is an integer number (14772072076875).

Almost surely, 2^{231521044315112} is an apocalyptic number.

It is an amenable number.

231521044315112 is an abundant number, since it is smaller than the sum of its proper divisors (241185262144888).

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

231521044315112 is a wasteful number, since it uses less digits than its factorization.

231521044315112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52522922993 (or 52522922989 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 231521044315112 in words is "two hundred thirty-one trillion, five hundred twenty-one billion, forty-four million, three hundred fifteen thousand, one hundred twelve".