231901865124 has 48 divisors (see below), whose sum is σ = 567556305792. Its totient is φ = 73556600832.

The previous prime is 231901865087. The next prime is 231901865159. The reversal of 231901865124 is 421568109132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123479 + ... + 2230014.

It is an arithmetic number, because the mean of its divisors is an integer number (11824089704).

Almost surely, 2^231901865124 is an apocalyptic number.

It is an amenable number.

231901865124 is an abundant number, since it is smaller than the sum of its proper divisors (335654440668).

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

231901865124 is a wasteful number, since it uses less digits than its factorization.

231901865124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353716 (or 4353714 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 231901865124 in words is "two hundred thirty-one billion, nine hundred one million, eight hundred sixty-five thousand, one hundred twenty-four".