31359713344 has 14 divisors (see below), whose sum is σ = 62229431294. Its totient is φ = 15679856640.

The previous prime is 31359713327. The next prime is 31359713401. The reversal of 31359713344 is 44331795313.

It can be written as a sum of positive squares in only one way, i.e., 29158977600 + 2200735744 = 170760^2 + 46912^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31359713344.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244997697 + ... + 244997824.

Almost surely, 2^31359713344 is an apocalyptic number.

It is an amenable number.

31359713344 is a deficient number, since it is larger than the sum of its proper divisors (30869717950).

31359713344 is an equidigital number, since it uses as much as digits as its factorization.

31359713344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489995533 (or 489995523 counting only the distinct ones).

The product of its digits is 408240, while the sum is 43.

The spelling of 31359713344 in words is "thirty-one billion, three hundred fifty-nine million, seven hundred thirteen thousand, three hundred forty-four".