231000204 has 24 divisors (see below), whose sum is σ = 546594048. Its totient is φ = 75915280.

The previous prime is 231000193. The next prime is 231000239. The reversal of 231000204 is 402000132.

It is a super-2 number, since 2×231000204² = 106722188496083232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 231000204.

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, 134712 + ... + 136415.

It is an arithmetic number, because the mean of its divisors is an integer number (22774752).

Almost surely, 2^231000204 is an apocalyptic number.

It is an amenable number.

231000204 is an abundant number, since it is smaller than the sum of its proper divisors (315593844).

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

231000204 is a wasteful number, since it uses less digits than its factorization.

231000204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271205 (or 271203 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 231000204 is about 15198.6908646765. The cubic root of 231000204 is about 613.5794245869.

Adding to 231000204 its reverse (402000132), we get a palindrome (633000336).

The spelling of 231000204 in words is "two hundred thirty-one million, two hundred four", and thus it is an aban number.