231868075836 has 48 divisors (see below), whose sum is σ = 544666639104. Its totient is φ = 76770775296.

The previous prime is 231868075799. The next prime is 231868075871. The reversal of 231868075836 is 638570868132.

It is a congruent number.

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, 1081201 + ... + 1277783.

It is an arithmetic number, because the mean of its divisors is an integer number (11347221648).

Almost surely, 2^231868075836 is an apocalyptic number.

It is an amenable number.

231868075836 is an abundant number, since it is smaller than the sum of its proper divisors (312798563268).

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

231868075836 is a wasteful number, since it uses less digits than its factorization.

231868075836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197250 (or 197248 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 231868075836 in words is "two hundred thirty-one billion, eight hundred sixty-eight million, seventy-five thousand, eight hundred thirty-six".