631171232 has 24 divisors (see below), whose sum is σ = 1243390176. Its totient is φ = 315389632.

The previous prime is 631171217. The next prime is 631171237. The reversal of 631171232 is 232171136.

It is not an unprimeable number, because it can be changed into a prime (631171237) 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, 55853 + ... + 66195.

It is an arithmetic number, because the mean of its divisors is an integer number (51807924).

Almost surely, 2^631171232 is an apocalyptic number.

It is an amenable number.

631171232 is a deficient number, since it is larger than the sum of its proper divisors (612218944).

631171232 is a wasteful number, since it uses less digits than its factorization.

631171232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12260 (or 12252 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 631171232 is about 25123.1214621114. The cubic root of 631171232 is about 857.7928040974.

The spelling of 631171232 in words is "six hundred thirty-one million, one hundred seventy-one thousand, two hundred thirty-two".