313113302120 has 64 divisors (see below), whose sum is σ = 744661684800. Its totient is φ = 118161054720.

The previous prime is 313113302107. The next prime is 313113302137. The reversal of 313113302120 is 21203311313.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 313113302092 and 313113302101.

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, 671594 + ... + 1037913.

It is an arithmetic number, because the mean of its divisors is an integer number (11635338825).

Almost surely, 2^313113302120 is an apocalyptic number.

It is an amenable number.

313113302120 is an abundant number, since it is smaller than the sum of its proper divisors (431548382680).

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

313113302120 is a wasteful number, since it uses less digits than its factorization.

313113302120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709778 (or 1709774 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313113302120 its reverse (21203311313), we get a palindrome (334316613433).

The spelling of 313113302120 in words is "three hundred thirteen billion, one hundred thirteen million, three hundred two thousand, one hundred twenty".