31232233012 has 24 divisors (see below), whose sum is σ = 56491860096. Its totient is φ = 15099708288.

The previous prime is 31232233007. The next prime is 31232233027. The reversal of 31232233012 is 21033223213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985173 + ... + 1016380.

It is an arithmetic number, because the mean of its divisors is an integer number (2353827504).

Almost surely, 2^31232233012 is an apocalyptic number.

It is an amenable number.

31232233012 is a deficient number, since it is larger than the sum of its proper divisors (25259627084).

31232233012 is a wasteful number, since it uses less digits than its factorization.

31232233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001687 (or 2001685 counting only the distinct ones).

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

Adding to 31232233012 its reverse (21033223213), we get a palindrome (52265456225).

The spelling of 31232233012 in words is "thirty-one billion, two hundred thirty-two million, two hundred thirty-three thousand, twelve".