31312101301312 has 112 divisors (see below), whose sum is σ = 70738692111360. Its totient is φ = 13632359436288.

The previous prime is 31312101301279. The next prime is 31312101301333. The reversal of 31312101301312 is 21310310121313.

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, 567328 + ... + 7933855.

It is an arithmetic number, because the mean of its divisors is an integer number (631595465280).

Almost surely, 2^{31312101301312} is an apocalyptic number.

31312101301312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31312101301312 is an abundant number, since it is smaller than the sum of its proper divisors (39426590810048).

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

31312101301312 is a wasteful number, since it uses less digits than its factorization.

31312101301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501460 (or 8501450 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31312101301312 its reverse (21310310121313), we get a palindrome (52622411422625).

The spelling of 31312101301312 in words is "thirty-one trillion, three hundred twelve billion, one hundred one million, three hundred one thousand, three hundred twelve".