31032233212 has 12 divisors (see below), whose sum is σ = 54340987176. Its totient is φ = 15506236880.

The previous prime is 31032233209. The next prime is 31032233231. The reversal of 31032233212 is 21233223013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462863 + ... + 2475430.

It is an arithmetic number, because the mean of its divisors is an integer number (4528415598).

Almost surely, 2^31032233212 is an apocalyptic number.

It is an amenable number.

31032233212 is a deficient number, since it is larger than the sum of its proper divisors (23308753964).

31032233212 is a wasteful number, since it uses less digits than its factorization.

31032233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939868 (or 4939866 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31032233212 its reverse (21233223013), we get a palindrome (52265456225).

The spelling of 31032233212 in words is "thirty-one billion, thirty-two million, two hundred thirty-three thousand, two hundred twelve".