31424725948 has 48 divisors (see below), whose sum is σ = 69389155584. Its totient is φ = 12095879040.

The previous prime is 31424725909. The next prime is 31424725961. The reversal of 31424725948 is 84952742413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589065 + ... + 640192.

It is an arithmetic number, because the mean of its divisors is an integer number (1445607408).

Almost surely, 2^31424725948 is an apocalyptic number.

It is an amenable number.

31424725948 is an abundant number, since it is smaller than the sum of its proper divisors (37964429636).

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

31424725948 is a wasteful number, since it uses less digits than its factorization.

31424725948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229362 (or 1229360 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 31424725948 in words is "thirty-one billion, four hundred twenty-four million, seven hundred twenty-five thousand, nine hundred forty-eight".