31313310300312 has 64 divisors (see below), whose sum is σ = 79016678737920. Its totient is φ = 10339987440768.

The previous prime is 31313310300227. The next prime is 31313310300331. The reversal of 31313310300312 is 21300301331313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent 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, 142380738 + ... + 142600494.

It is an arithmetic number, because the mean of its divisors is an integer number (1234635605280).

Almost surely, 2^{31313310300312} is an apocalyptic number.

It is an amenable number.

31313310300312 is an abundant number, since it is smaller than the sum of its proper divisors (47703368437608).

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

31313310300312 is a wasteful number, since it uses less digits than its factorization.

31313310300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275360 (or 275356 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 31313310300312 its reverse (21300301331313), we get a palindrome (52613611631625).

The spelling of 31313310300312 in words is "thirty-one trillion, three hundred thirteen billion, three hundred ten million, three hundred thousand, three hundred twelve".