231631390432824 has 256 divisors, whose sum is σ = 591086476500480. Its totient is φ = 75632436633600.

The previous prime is 231631390432789. The next prime is 231631390432831. The reversal of 231631390432824 is 428234093136132.

It is a happy number.

It is a super-2 number, since 2×231631390432824² (a number of 30 digits) 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 63 ways as a sum of consecutive naturals, for example, 97446944724 + ... + 97446947100.

It is an arithmetic number, because the mean of its divisors is an integer number (2308931548830).

Almost surely, 2^{231631390432824} is an apocalyptic number.

231631390432824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231631390432824 is an abundant number, since it is smaller than the sum of its proper divisors (359455086067656).

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

231631390432824 is a wasteful number, since it uses less digits than its factorization.

231631390432824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910 (or 3906 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 51.

The spelling of 231631390432824 in words is "two hundred thirty-one trillion, six hundred thirty-one billion, three hundred ninety million, four hundred thirty-two thousand, eight hundred twenty-four".