631230712 has 32 divisors (see below), whose sum is σ = 1384099200. Its totient is φ = 264235104.

The previous prime is 631230707. The next prime is 631230731. The reversal of 631230712 is 217032136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128662 + ... + 133477.

It is an arithmetic number, because the mean of its divisors is an integer number (43253100).

Almost surely, 2^631230712 is an apocalyptic number.

It is an amenable number.

631230712 is an abundant number, since it is smaller than the sum of its proper divisors (752868488).

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

631230712 is a wasteful number, since it uses less digits than its factorization.

631230712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262195 (or 262191 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 631230712 is about 25124.3052043236. The cubic root of 631230712 is about 857.8197486680.

Adding to 631230712 its reverse (217032136), we get a palindrome (848262848).

The spelling of 631230712 in words is "six hundred thirty-one million, two hundred thirty thousand, seven hundred twelve".