231163404 has 72 divisors (see below), whose sum is σ = 569447424. Its totient is φ = 72907200.

The previous prime is 231163397. The next prime is 231163441. The reversal of 231163404 is 404361132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1384129 + ... + 1384295.

It is an arithmetic number, because the mean of its divisors is an integer number (7908992).

Almost surely, 2^231163404 is an apocalyptic number.

It is an amenable number.

231163404 is an abundant number, since it is smaller than the sum of its proper divisors (338284020).

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

231163404 is a wasteful number, since it uses less digits than its factorization.

231163404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 231163404 is about 15204.0588002020. The cubic root of 231163404 is about 613.7238870704.

The spelling of 231163404 in words is "two hundred thirty-one million, one hundred sixty-three thousand, four hundred four".