31013231002212 has 24 divisors (see below), whose sum is σ = 74047094177056. Its totient is φ = 10097331023808.

The previous prime is 31013231002211. The next prime is 31013231002217. The reversal of 31013231002212 is 21220013231013.

It is not an unprimeable number, because it can be changed into a prime (31013231002211) 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 7 ways as a sum of consecutive naturals, for example, 30051579913 + ... + 30051580944.

Almost surely, 2^{31013231002212} is an apocalyptic number.

It is an amenable number.

31013231002212 is an abundant number, since it is smaller than the sum of its proper divisors (43033863174844).

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

31013231002212 is a wasteful number, since it uses less digits than its factorization.

31013231002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60103160907 (or 60103160905 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31013231002212 its reverse (21220013231013), we get a palindrome (52233244233225).

The spelling of 31013231002212 in words is "thirty-one trillion, thirteen billion, two hundred thirty-one million, two thousand, two hundred twelve".