631234112 has 28 divisors (see below), whose sum is σ = 1318534320. Its totient is φ = 299005056.

The previous prime is 631234031. The next prime is 631234117. The reversal of 631234112 is 211432136.

It is not an unprimeable number, because it can be changed into a prime (631234117) 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, 258338 + ... + 260769.

Almost surely, 2^631234112 is an apocalyptic number.

It is an amenable number.

631234112 is an abundant number, since it is smaller than the sum of its proper divisors (687300208).

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

631234112 is a wasteful number, since it uses less digits than its factorization.

631234112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519138 (or 519128 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 631234112 is about 25124.3728677951. The cubic root of 631234112 is about 857.8212888243.

Adding to 631234112 its reverse (211432136), we get a palindrome (842666248).

The spelling of 631234112 in words is "six hundred thirty-one million, two hundred thirty-four thousand, one hundred twelve".