931838480631 has 12 divisors (see below), whose sum is σ = 1345998942600. Its totient is φ = 621221026320.

The previous prime is 931838480623. The next prime is 931838480633. The reversal of 931838480631 is 136084838139.

931838480631 is a `hidden beast` number, since 93 + 18 + 3 + 8 + 480 + 63 + 1 = 666.

It is not a de Polignac number, because 931838480631 - 2³ = 931838480623 is a prime.

It is a super-2 number, since 2×931838480631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (931838480633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1258821 + ... + 1856961.

It is an arithmetic number, because the mean of its divisors is an integer number (112166578550).

Almost surely, 2^931838480631 is an apocalyptic number.

931838480631 is a deficient number, since it is larger than the sum of its proper divisors (414160461969).

931838480631 is a wasteful number, since it uses less digits than its factorization.

931838480631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771246 (or 771243 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 931838480631 in words is "nine hundred thirty-one billion, eight hundred thirty-eight million, four hundred eighty thousand, six hundred thirty-one".