231000504 has 48 divisors (see below), whose sum is σ = 671790600. Its totient is φ = 65999808.

The previous prime is 231000491. The next prime is 231000521. The reversal of 231000504 is 405000132.

231000504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231000504² = 106722465696508032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97039 + ... + 99390.

Almost surely, 2^231000504 is an apocalyptic number.

231000504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231000504 is an abundant number, since it is smaller than the sum of its proper divisors (440790096).

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

231000504 is a wasteful number, since it uses less digits than its factorization.

231000504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196452 (or 196441 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 231000504 is about 15198.7007339443. The cubic root of 231000504 is about 613.5796902053.

Adding to 231000504 its reverse (405000132), we get a palindrome (636000636).

The spelling of 231000504 in words is "two hundred thirty-one million, five hundred four", and thus it is an aban number.