231676512 has 24 divisors (see below), whose sum is σ = 608151096. Its totient is φ = 77225472.

The previous prime is 231676477. The next prime is 231676517. The reversal of 231676512 is 215676132.

231676512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×231676512² = 107348012424972288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231676517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206553 + ... + 1206744.

It is an arithmetic number, because the mean of its divisors is an integer number (25339629).

Almost surely, 2^231676512 is an apocalyptic number.

It is an amenable number.

231676512 is an abundant number, since it is smaller than the sum of its proper divisors (376474584).

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

231676512 is a wasteful number, since it uses less digits than its factorization.

231676512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413310 (or 2413302 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 231676512 is about 15220.9234936649. The cubic root of 231676512 is about 614.1776410250.

The spelling of 231676512 in words is "two hundred thirty-one million, six hundred seventy-six thousand, five hundred twelve".