631505034 has 12 divisors (see below), whose sum is σ = 1368260946. Its totient is φ = 210501672.

The previous prime is 631504987. The next prime is 631505041. The reversal of 631505034 is 430505136.

631505034 is a `hidden beast` number, since 6 + 3 + 150 + 503 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 628254225 + 3250809 = 25065^2 + 1803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 631504989 and 631505007.

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, 17541789 + ... + 17541824.

Almost surely, 2^631505034 is an apocalyptic number.

631505034 is an abundant number, since it is smaller than the sum of its proper divisors (736755912).

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

631505034 is a wasteful number, since it uses less digits than its factorization.

631505034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35083621 (or 35083618 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 631505034 is about 25129.7639065710. The cubic root of 631505034 is about 857.9439952360.

The spelling of 631505034 in words is "six hundred thirty-one million, five hundred five thousand, thirty-four".