231536317261232 has 40 divisors (see below), whose sum is σ = 452607111967920. Its totient is φ = 114734642964480.

The previous prime is 231536317261199. The next prime is 231536317261289. The reversal of 231536317261232 is 232162713635132.

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, 18005732 + ... + 28058492.

It is an arithmetic number, because the mean of its divisors is an integer number (11315177799198).

Almost surely, 2^{231536317261232} is an apocalyptic number.

It is an amenable number.

231536317261232 is a deficient number, since it is larger than the sum of its proper divisors (221070794706688).

231536317261232 is a wasteful number, since it uses less digits than its factorization.

231536317261232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065621 (or 10065615 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 47.

The spelling of 231536317261232 in words is "two hundred thirty-one trillion, five hundred thirty-six billion, three hundred seventeen million, two hundred sixty-one thousand, two hundred thirty-two".