31347414648 has 96 divisors (see below), whose sum is σ = 92647152000. Its totient is φ = 9496161600.

The previous prime is 31347414629. The next prime is 31347414661. The reversal of 31347414648 is 84641474313.

31347414648 is a `hidden beast` number, since 31 + 3 + 474 + 146 + 4 + 8 = 666.

It is a super-2 number, since 2×31347414648² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4272343 + ... + 4279673.

It is an arithmetic number, because the mean of its divisors is an integer number (965074500).

Almost surely, 2^31347414648 is an apocalyptic number.

It is an amenable number.

31347414648 is an abundant number, since it is smaller than the sum of its proper divisors (61299737352).

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

31347414648 is a wasteful number, since it uses less digits than its factorization.

31347414648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12753 (or 12746 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 31347414648 in words is "thirty-one billion, three hundred forty-seven million, four hundred fourteen thousand, six hundred forty-eight".