31306053708 has 18 divisors (see below), whose sum is σ = 79134746964. Its totient is φ = 10435351224.

The previous prime is 31306053629. The next prime is 31306053721. The reversal of 31306053708 is 80735060313.

31306053708 is a `hidden beast` number, since 3 + 13 + 0 + 605 + 37 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 869612603 = 31306053708 / (3 + 1 + 3 + 0 + 6 + 0 + 5 + 3 + 7 + 0 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 434806266 + ... + 434806337.

Almost surely, 2^31306053708 is an apocalyptic number.

It is an amenable number.

31306053708 is an abundant number, since it is smaller than the sum of its proper divisors (47828693256).

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

31306053708 is a wasteful number, since it uses less digits than its factorization.

31306053708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869612613 (or 869612608 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

It can be divided in two parts, 3130605 and 3708, that added together give a palindrome (3134313).

The spelling of 31306053708 in words is "thirty-one billion, three hundred six million, fifty-three thousand, seven hundred eight".