631913352 has 32 divisors (see below), whose sum is σ = 1805467200. Its totient is φ = 180546624.

The previous prime is 631913323. The next prime is 631913353. The reversal of 631913352 is 253319136.

It is not an unprimeable number, because it can be changed into a prime (631913353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880527 + ... + 1880862.

It is an arithmetic number, because the mean of its divisors is an integer number (56420850).

Almost surely, 2^631913352 is an apocalyptic number.

It is an amenable number.

631913352 is an abundant number, since it is smaller than the sum of its proper divisors (1173553848).

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

631913352 is a wasteful number, since it uses less digits than its factorization.

631913352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761405 (or 3761401 counting only the distinct ones).

The product of its digits is 14580, while the sum is 33.

The square root of 631913352 is about 25137.8867846921. The cubic root of 631913352 is about 858.1288649692.

The spelling of 631913352 in words is "six hundred thirty-one million, nine hundred thirteen thousand, three hundred fifty-two".