631024612 has 6 divisors (see below), whose sum is σ = 1104293078. Its totient is φ = 315512304.

The previous prime is 631024607. The next prime is 631024643. The reversal of 631024612 is 216420136.

It can be written as a sum of positive squares in only one way, i.e., 350663076 + 280361536 = 18726^2 + 16744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78878073 + ... + 78878080.

Almost surely, 2^631024612 is an apocalyptic number.

It is an amenable number.

631024612 is a deficient number, since it is larger than the sum of its proper divisors (473268466).

631024612 is a wasteful number, since it uses less digits than its factorization.

631024612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157756157 (or 157756155 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 631024612 is about 25120.2032635088. The cubic root of 631024612 is about 857.7263776854.

Adding to 631024612 its reverse (216420136), we get a palindrome (847444748).

The spelling of 631024612 in words is "six hundred thirty-one million, twenty-four thousand, six hundred twelve".