630000231 has 16 divisors (see below), whose sum is σ = 960403968. Its totient is φ = 359848800.

The previous prime is 630000227. The next prime is 630000247. The reversal of 630000231 is 132000036.

It is not a de Polignac number, because 630000231 - 2² = 630000227 is a prime.

It is a super-2 number, since 2×630000231² = 793800582120106722, 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 630000231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630000251) 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, 62086 + ... + 71516.

It is an arithmetic number, because the mean of its divisors is an integer number (60025248).

Almost surely, 2^630000231 is an apocalyptic number.

630000231 is a deficient number, since it is larger than the sum of its proper divisors (330403737).

630000231 is a wasteful number, since it uses less digits than its factorization.

630000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 630000231 is about 25099.8053976520. The cubic root of 630000231 is about 857.2619930078.

Adding to 630000231 its reverse (132000036), we get a palindrome (762000267).

The spelling of 630000231 in words is "six hundred thirty million, two hundred thirty-one", and thus it is an aban number.