631024002 has 48 divisors (see below), whose sum is σ = 1584565632. Its totient is φ = 177750720.

The previous prime is 631024001. The next prime is 631024007. The reversal of 631024002 is 200420136.

It is a happy number.

It is a super-2 number, since 2×631024002² = 796382582200192008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (631024001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 26323 + ... + 44214.

It is an arithmetic number, because the mean of its divisors is an integer number (33011784).

Almost surely, 2^631024002 is an apocalyptic number.

631024002 is an abundant number, since it is smaller than the sum of its proper divisors (953541630).

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

631024002 is a wasteful number, since it uses less digits than its factorization.

631024002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70623 (or 70620 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 631024002 is about 25120.1911218844. The cubic root of 631024002 is about 857.7261013025.

Adding to 631024002 its reverse (200420136), we get a palindrome (831444138).

The spelling of 631024002 in words is "six hundred thirty-one million, twenty-four thousand, two".