31270052856 has 192 divisors, whose sum is σ = 93653280000. Its totient is φ = 8669928960.

The previous prime is 31270052819. The next prime is 31270052881. The reversal of 31270052856 is 65825007213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9593355 + ... + 9596613.

It is an arithmetic number, because the mean of its divisors is an integer number (487777500).

Almost surely, 2^31270052856 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 31270052856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46826640000).

31270052856 is an abundant number, since it is smaller than the sum of its proper divisors (62383227144).

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

31270052856 is a wasteful number, since it uses less digits than its factorization.

31270052856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522 (or 3511 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 31270052856 in words is "thirty-one billion, two hundred seventy million, fifty-two thousand, eight hundred fifty-six".