231868205004 has 24 divisors (see below), whose sum is σ = 541593546480. Its totient is φ = 77208296704.

The previous prime is 231868204949. The next prime is 231868205017. The reversal of 231868205004 is 400502868132.

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, 10126209 + ... + 10149080.

It is an arithmetic number, because the mean of its divisors is an integer number (22566397770).

Almost surely, 2^231868205004 is an apocalyptic number.

It is an amenable number.

231868205004 is an abundant number, since it is smaller than the sum of its proper divisors (309725341476).

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

231868205004 is a wasteful number, since it uses less digits than its factorization.

231868205004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20276249 (or 20276247 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 231868205004 in words is "two hundred thirty-one billion, eight hundred sixty-eight million, two hundred five thousand, four".