630315320 has 32 divisors (see below), whose sum is σ = 1420556400. Its totient is φ = 251708928.

The previous prime is 630315311. The next prime is 630315359. The reversal of 630315320 is 23513036.

It is a congruent number.

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, 12032 + ... + 37488.

Almost surely, 2^630315320 is an apocalyptic number.

It is an amenable number.

630315320 is an abundant number, since it is smaller than the sum of its proper divisors (790241080).

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

630315320 is a wasteful number, since it uses less digits than its factorization.

630315320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26087 (or 26083 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 630315320 is about 25106.0813350073. The cubic root of 630315320 is about 857.4048865030.

Adding to 630315320 its reverse (23513036), we get a palindrome (653828356).

The spelling of 630315320 in words is "six hundred thirty million, three hundred fifteen thousand, three hundred twenty".