631604316 has 96 divisors (see below), whose sum is σ = 1730534400. Its totient is φ = 179212992.

The previous prime is 631604297. The next prime is 631604321. The reversal of 631604316 is 613406136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711625 + ... + 712511.

It is an arithmetic number, because the mean of its divisors is an integer number (18026400).

Almost surely, 2^631604316 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 631604316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865267200).

631604316 is an abundant number, since it is smaller than the sum of its proper divisors (1098930084).

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

631604316 is a wasteful number, since it uses less digits than its factorization.

631604316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 631604316 is about 25131.7392155816. The cubic root of 631604316 is about 857.9889534062.

It can be divided in two parts, 63160 and 4316, that added together give a palindrome (67476).

The spelling of 631604316 in words is "six hundred thirty-one million, six hundred four thousand, three hundred sixteen".