31347560704 has 72 divisors (see below), whose sum is σ = 65954075040. Its totient is φ = 14828986368.

The previous prime is 31347560693. The next prime is 31347560707. The reversal of 31347560704 is 40706574313.

It is not an unprimeable number, because it can be changed into a prime (31347560707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018632 + ... + 4026424.

It is an arithmetic number, because the mean of its divisors is an integer number (916028820).

Almost surely, 2^31347560704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31347560704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32977037520).

31347560704 is an abundant number, since it is smaller than the sum of its proper divisors (34606514336).

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

31347560704 is an equidigital number, since it uses as much as digits as its factorization.

31347560704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8655 (or 8641 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 31347560704 in words is "thirty-one billion, three hundred forty-seven million, five hundred sixty thousand, seven hundred four".