631051068 has 12 divisors (see below), whose sum is σ = 1472452520. Its totient is φ = 210350352.

The previous prime is 631051063. The next prime is 631051081. The reversal of 631051068 is 860150136.

631051068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631051063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26293783 + ... + 26293806.

Almost surely, 2^631051068 is an apocalyptic number.

It is an amenable number.

631051068 is an abundant number, since it is smaller than the sum of its proper divisors (841401452).

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

631051068 is a wasteful number, since it uses less digits than its factorization.

631051068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52587596 (or 52587594 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 631051068 is about 25120.7298460853. The cubic root of 631051068 is about 857.7383643769.

The spelling of 631051068 in words is "six hundred thirty-one million, fifty-one thousand, sixty-eight".