630733031 has 8 divisors (see below), whose sum is σ = 668717280. Its totient is φ = 592846848.

The previous prime is 630733021. The next prime is 630733049. The reversal of 630733031 is 130337036.

630733031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 630733031 - 2⁶ = 630732967 is a prime.

It is a super-2 number, since 2×630733031² = 795648312788893922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630733001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11051 + ... + 37196.

It is an arithmetic number, because the mean of its divisors is an integer number (83589660).

Almost surely, 2^630733031 is an apocalyptic number.

630733031 is a deficient number, since it is larger than the sum of its proper divisors (37984249).

630733031 is a wasteful number, since it uses less digits than its factorization.

630733031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49033.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 630733031 is about 25114.3988779345. The cubic root of 630733031 is about 857.5942458894.

The spelling of 630733031 in words is "six hundred thirty million, seven hundred thirty-three thousand, thirty-one".