631134912 has 56 divisors (see below), whose sum is σ = 1675091392. Its totient is φ = 209721600.

The previous prime is 631134901. The next prime is 631134923. The reversal of 631134912 is 219431136.

It is an interprime number because it is at equal distance from previous prime (631134901) and next prime (631134923).

It is a self number, because there is not a number n which added to its sum of digits gives 631134912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58587 + ... + 68517.

Almost surely, 2^631134912 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 631134912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837545696).

631134912 is an abundant number, since it is smaller than the sum of its proper divisors (1043956480).

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

631134912 is a wasteful number, since it uses less digits than its factorization.

631134912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277 (or 10267 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 631134912 is about 25122.3986115976. The cubic root of 631134912 is about 857.7763502253.

The spelling of 631134912 in words is "six hundred thirty-one million, one hundred thirty-four thousand, nine hundred twelve".