231064312 has 16 divisors (see below), whose sum is σ = 441420840. Its totient is φ = 113352096.

The previous prime is 231064291. The next prime is 231064313. The reversal of 231064312 is 213460132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231064313) 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, 272058 + ... + 272905.

Almost surely, 2^231064312 is an apocalyptic number.

It is an amenable number.

231064312 is a deficient number, since it is larger than the sum of its proper divisors (210356528).

231064312 is a wasteful number, since it uses less digits than its factorization.

231064312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545022 (or 545018 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 231064312 is about 15200.7997158044. The cubic root of 231064312 is about 613.6361802532.

The spelling of 231064312 in words is "two hundred thirty-one million, sixty-four thousand, three hundred twelve".