633231271312 has 20 divisors (see below), whose sum is σ = 1291458514480. Its totient is φ = 299951654688.

The previous prime is 633231271261. The next prime is 633231271319. The reversal of 633231271312 is 213172132336.

It is not an unprimeable number, because it can be changed into a prime (633231271319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041498498 + ... + 1041499105.

It is an arithmetic number, because the mean of its divisors is an integer number (64572925724).

Almost surely, 2^633231271312 is an apocalyptic number.

It is an amenable number.

633231271312 is an abundant number, since it is smaller than the sum of its proper divisors (658227243168).

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

633231271312 is a wasteful number, since it uses less digits than its factorization.

633231271312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082997630 (or 2082997624 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The spelling of 633231271312 in words is "six hundred thirty-three billion, two hundred thirty-one million, two hundred seventy-one thousand, three hundred twelve".