31948387352 has 64 divisors (see below), whose sum is σ = 68717056320. Its totient is φ = 13641043968.

The previous prime is 31948387301. The next prime is 31948387357. The reversal of 31948387352 is 25378384913.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31948387294 and 31948387303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31948387357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29122868 + ... + 29123964.

It is an arithmetic number, because the mean of its divisors is an integer number (1073704005).

Almost surely, 2^31948387352 is an apocalyptic number.

It is an amenable number.

31948387352 is an abundant number, since it is smaller than the sum of its proper divisors (36768668968).

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

31948387352 is a wasteful number, since it uses less digits than its factorization.

31948387352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580 (or 2576 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The spelling of 31948387352 in words is "thirty-one billion, nine hundred forty-eight million, three hundred eighty-seven thousand, three hundred fifty-two".