231415264 has 24 divisors (see below), whose sum is σ = 456397200. Its totient is φ = 115504896.

The previous prime is 231415241. The next prime is 231415267. The reversal of 231415264 is 462514132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231415267) 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, 13132 + ... + 25204.

It is an arithmetic number, because the mean of its divisors is an integer number (19016550).

Almost surely, 2^231415264 is an apocalyptic number.

It is an amenable number.

231415264 is a deficient number, since it is larger than the sum of its proper divisors (224981936).

231415264 is a wasteful number, since it uses less digits than its factorization.

231415264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12682 (or 12674 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 231415264 is about 15212.3392021083. The cubic root of 231415264 is about 613.9466968408.

Adding to 231415264 its reverse (462514132), we get a palindrome (693929396).

It can be divided in two parts, 2314 and 15264, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 231415264 in words is "two hundred thirty-one million, four hundred fifteen thousand, two hundred sixty-four".