313111312100 has 18 divisors (see below), whose sum is σ = 679451547474. Its totient is φ = 125244524800.

The previous prime is 313111312097. The next prime is 313111312123. The reversal of 313111312100 is 1213111313.

It can be written as a sum of positive squares in 3 ways, for example, as 89501492224 + 223609819876 = 299168^2 + 472874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1565556461 + ... + 1565556660.

It is an arithmetic number, because the mean of its divisors is an integer number (37747308193).

Almost surely, 2^313111312100 is an apocalyptic number.

It is an amenable number.

313111312100 is an abundant number, since it is smaller than the sum of its proper divisors (366340235374).

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

313111312100 is a wasteful number, since it uses less digits than its factorization.

313111312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131113135 (or 3131113128 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 313111312100 its reverse (1213111313), we get a palindrome (314324423413).

The spelling of 313111312100 in words is "three hundred thirteen billion, one hundred eleven million, three hundred twelve thousand, one hundred".