231164502 has 16 divisors (see below), whose sum is σ = 469908912. Its totient is φ = 75791520.

The previous prime is 231164497. The next prime is 231164509. The reversal of 231164502 is 205461132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231164509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315433 + ... + 316164.

It is an arithmetic number, because the mean of its divisors is an integer number (29369307).

Almost surely, 2^231164502 is an apocalyptic number.

231164502 is an abundant number, since it is smaller than the sum of its proper divisors (238744410).

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

231164502 is a wasteful number, since it uses less digits than its factorization.

231164502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631663.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 231164502 is about 15204.0949089382. The cubic root of 231164502 is about 613.7248587752.

The spelling of 231164502 in words is "two hundred thirty-one million, one hundred sixty-four thousand, five hundred two".