31132012322212 has 24 divisors (see below), whose sum is σ = 54829041310400. Its totient is φ = 15466575589920.

The previous prime is 31132012322129. The next prime is 31132012322219. The reversal of 31132012322212 is 21222321023113.

It is not an unprimeable number, because it can be changed into a prime (31132012322219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36105289 + ... + 36957487.

Almost surely, 2^{31132012322212} is an apocalyptic number.

It is an amenable number.

31132012322212 is a deficient number, since it is larger than the sum of its proper divisors (23697028988188).

31132012322212 is a wasteful number, since it uses less digits than its factorization.

31132012322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910531 (or 910529 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31132012322212 its reverse (21222321023113), we get a palindrome (52354333345325).

The spelling of 31132012322212 in words is "thirty-one trillion, one hundred thirty-two billion, twelve million, three hundred twenty-two thousand, two hundred twelve".