631360368 has 30 divisors (see below), whose sum is σ = 1766932544. Its totient is φ = 210453408.

The previous prime is 631360349. The next prime is 631360381. The reversal of 631360368 is 863063136.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2192080 + ... + 2192367.

Almost surely, 2^631360368 is an apocalyptic number.

It is an amenable number.

631360368 is an abundant number, since it is smaller than the sum of its proper divisors (1135572176).

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

631360368 is a wasteful number, since it uses less digits than its factorization.

631360368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384461 (or 4384452 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 631360368 is about 25126.8853620977. The cubic root of 631360368 is about 857.8784772549.

The spelling of 631360368 in words is "six hundred thirty-one million, three hundred sixty thousand, three hundred sixty-eight".