631130160 has 80 divisors (see below), whose sum is σ = 1959160320. Its totient is φ = 168072960.

The previous prime is 631130153. The next prime is 631130233. The reversal of 631130160 is 61031136.

631130160 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248095 + ... + 250625.

It is an arithmetic number, because the mean of its divisors is an integer number (24489504).

Almost surely, 2^631130160 is an apocalyptic number.

631130160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

631130160 is an abundant number, since it is smaller than the sum of its proper divisors (1328030160).

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

631130160 is a wasteful number, since it uses less digits than its factorization.

631130160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3580 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 631130160 is about 25122.3040344631. The cubic root of 631130160 is about 857.7741974032.

Adding to 631130160 its reverse (61031136), we get a palindrome (692161296).

The spelling of 631130160 in words is "six hundred thirty-one million, one hundred thirty thousand, one hundred sixty".