631150828 has 24 divisors (see below), whose sum is σ = 1377057024. Its totient is φ = 245902800.

The previous prime is 631150811. The next prime is 631150831. The reversal of 631150828 is 828051136.

It is a junction number, because it is equal to n+sod(n) for n = 631150793 and 631150802.

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, 1024288 + ... + 1024903.

It is an arithmetic number, because the mean of its divisors is an integer number (57377376).

Almost surely, 2^631150828 is an apocalyptic number.

It is an amenable number.

631150828 is an abundant number, since it is smaller than the sum of its proper divisors (745906196).

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

631150828 is a wasteful number, since it uses less digits than its factorization.

631150828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049213 (or 2049211 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 631150828 is about 25122.7153787165. The cubic root of 631150828 is about 857.7835606507.

The spelling of 631150828 in words is "six hundred thirty-one million, one hundred fifty thousand, eight hundred twenty-eight".