31313002110312 has 64 divisors (see below), whose sum is σ = 88741301544000. Its totient is φ = 9127676726784.

The previous prime is 31313002110289. The next prime is 31313002110323. The reversal of 31313002110312 is 21301120031313.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2641104237 + ... + 2641116092.

It is an arithmetic number, because the mean of its divisors is an integer number (1386582836625).

Almost surely, 2^{31313002110312} is an apocalyptic number.

It is an amenable number.

31313002110312 is an abundant number, since it is smaller than the sum of its proper divisors (57428299433688).

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

31313002110312 is a wasteful number, since it uses less digits than its factorization.

31313002110312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282220370 (or 5282220366 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31313002110312 its reverse (21301120031313), we get a palindrome (52614122141625).

The spelling of 31313002110312 in words is "thirty-one trillion, three hundred thirteen billion, two million, one hundred ten thousand, three hundred twelve".