231164562 has 16 divisors (see below), whose sum is σ = 462575520. Its totient is φ = 77013792.

The previous prime is 231164509. The next prime is 231164579. The reversal of 231164562 is 265461132.

231164562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3313 + ... + 21755.

It is an arithmetic number, because the mean of its divisors is an integer number (28910970).

Almost surely, 2^231164562 is an apocalyptic number.

231164562 is an abundant number, since it is smaller than the sum of its proper divisors (231410958).

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

231164562 is a wasteful number, since it uses less digits than its factorization.

231164562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20537.

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

The square root of 231164562 is about 15204.0968820907. The cubic root of 231164562 is about 613.7249118738.

The spelling of 231164562 in words is "two hundred thirty-one million, one hundred sixty-four thousand, five hundred sixty-two".