231131431200304 has 20 divisors (see below), whose sum is σ = 449675310397720. Its totient is φ = 115086189807360.

The previous prime is 231131431200211. The next prime is 231131431200347. The reversal of 231131431200304 is 403002134131132.

231131431200304 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 2×231131431200304² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29970358074 + ... + 29970365785.

It is an arithmetic number, because the mean of its divisors is an integer number (22483765519886).

Almost surely, 2^{231131431200304} is an apocalyptic number.

It is an amenable number.

231131431200304 is a deficient number, since it is larger than the sum of its proper divisors (218543879197416).

231131431200304 is a wasteful number, since it uses less digits than its factorization.

231131431200304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59940724108 (or 59940724102 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 231131431200304 its reverse (403002134131132), we get a palindrome (634133565331436).

The spelling of 231131431200304 in words is "two hundred thirty-one trillion, one hundred thirty-one billion, four hundred thirty-one million, two hundred thousand, three hundred four".