630036631 has 16 divisors (see below), whose sum is σ = 759112704. Its totient is φ = 511213824.

The previous prime is 630036623. The next prime is 630036689. The reversal of 630036631 is 136630036.

630036631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630036631 - 2³ = 630036623 is a prime.

It is a super-2 number, since 2×630036631² = 793892312803660322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630036631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630036601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4555 + ... + 35788.

It is an arithmetic number, because the mean of its divisors is an integer number (47444544).

Almost surely, 2^630036631 is an apocalyptic number.

630036631 is a deficient number, since it is larger than the sum of its proper divisors (129076073).

630036631 is a wasteful number, since it uses less digits than its factorization.

630036631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40470.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 630036631 is about 25100.5304924019. The cubic root of 630036631 is about 857.2785029147.

Adding to 630036631 its reverse (136630036), we get a palindrome (766666667).

The spelling of 630036631 in words is "six hundred thirty million, thirty-six thousand, six hundred thirty-one".