31313002112212 has 72 divisors (see below), whose sum is σ = 60387129905760. Its totient is φ = 14166799606080.

The previous prime is 31313002112201. The next prime is 31313002112237. The reversal of 31313002112212 is 21221120031313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26889162 + ... + 28029502.

It is an arithmetic number, because the mean of its divisors is an integer number (838710137580).

Almost surely, 2^{31313002112212} is an apocalyptic number.

It is an amenable number.

31313002112212 is a deficient number, since it is larger than the sum of its proper divisors (29074127793548).

31313002112212 is a wasteful number, since it uses less digits than its factorization.

31313002112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141093 (or 1141068 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31313002112212 its reverse (21221120031313), we get a palindrome (52534122143525).

The spelling of 31313002112212 in words is "thirty-one trillion, three hundred thirteen billion, two million, one hundred twelve thousand, two hundred twelve".