31347590848 has 168 divisors, whose sum is σ = 75313397760. Its totient is φ = 12893852160.

The previous prime is 31347590843. The next prime is 31347590849. The reversal of 31347590848 is 84809574313.

It is a super-2 number, since 2×31347590848² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31347590795 and 31347590804.

It is not an unprimeable number, because it can be changed into a prime (31347590843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12345163 + ... + 12347701.

Almost surely, 2^31347590848 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 31347590848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37656698880).

31347590848 is an abundant number, since it is smaller than the sum of its proper divisors (43965806912).

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

31347590848 is a wasteful number, since it uses less digits than its factorization.

31347590848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 31347590848 in words is "thirty-one billion, three hundred forty-seven million, five hundred ninety thousand, eight hundred forty-eight".