231631423605312 has 112 divisors (see below), whose sum is σ = 648932095356480. Its totient is φ = 72666053066752.

The previous prime is 231631423605299. The next prime is 231631423605343. The reversal of 231631423605312 is 213506324136132.

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, 89949364 + ... + 92488652.

Almost surely, 2^{231631423605312} is an apocalyptic number.

It is an amenable number.

231631423605312 is an abundant number, since it is smaller than the sum of its proper divisors (417300671751168).

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

231631423605312 is a wasteful number, since it uses less digits than its factorization.

231631423605312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567268 (or 2567258 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 231631423605312 in words is "two hundred thirty-one trillion, six hundred thirty-one billion, four hundred twenty-three million, six hundred five thousand, three hundred twelve".