231465612 has 36 divisors (see below), whose sum is σ = 628265400. Its totient is φ = 66132864.

The previous prime is 231465607. The next prime is 231465631. The reversal of 231465612 is 216564132.

It is a self number, because there is not a number n which added to its sum of digits gives 231465612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196237 + ... + 197412.

Almost surely, 2^231465612 is an apocalyptic number.

It is an amenable number.

231465612 is an abundant number, since it is smaller than the sum of its proper divisors (396799788).

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

231465612 is a wasteful number, since it uses less digits than its factorization.

231465612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393670 (or 393661 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 231465612 is about 15213.9939529369. The cubic root of 231465612 is about 613.9912181720.

The spelling of 231465612 in words is "two hundred thirty-one million, four hundred sixty-five thousand, six hundred twelve".