3131300031312 has 40 divisors (see below), whose sum is σ = 8307818556256. Its totient is φ = 1015556766336.

The previous prime is 3131300031271. The next prime is 3131300031331. The reversal of 3131300031312 is 2131300031313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881557918 + ... + 881561469.

Almost surely, 2^{3131300031312} is an apocalyptic number.

It is an amenable number.

3131300031312 is an abundant number, since it is smaller than the sum of its proper divisors (5176518524944).

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

3131300031312 is a wasteful number, since it uses less digits than its factorization.

3131300031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763119435 (or 1763119429 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 3131300031312 its reverse (2131300031313), we get a palindrome (5262600062625).

Subtracting from 3131300031312 its reverse (2131300031313), we obtain a palindrome (999999999999).

The spelling of 3131300031312 in words is "three trillion, one hundred thirty-one billion, three hundred million, thirty-one thousand, three hundred twelve".