631072232 has 128 divisors (see below), whose sum is σ = 1524096000. Its totient is φ = 238464000.

The previous prime is 631072223. The next prime is 631072261. The reversal of 631072232 is 232270136.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2514107 + ... + 2514357.

It is an arithmetic number, because the mean of its divisors is an integer number (11907000).

Almost surely, 2^631072232 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 631072232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762048000).

631072232 is an abundant number, since it is smaller than the sum of its proper divisors (893023768).

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

631072232 is a wasteful number, since it uses less digits than its factorization.

631072232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 631072232 is about 25121.1510882762. The cubic root of 631072232 is about 857.7479531263.

The spelling of 631072232 in words is "six hundred thirty-one million, seventy-two thousand, two hundred thirty-two".