313113202020 has 48 divisors (see below), whose sum is σ = 974129963520. Its totient is φ = 83496853728.

The previous prime is 313113202019. The next prime is 313113202057. The reversal of 313113202020 is 20202311313.

313113202020 is a `hidden beast` number, since 31 + 311 + 320 + 2 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 313113201984 and 313113202002.

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, 289919092 + ... + 289920171.

It is an arithmetic number, because the mean of its divisors is an integer number (20294374240).

Almost surely, 2^313113202020 is an apocalyptic number.

313113202020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313113202020 is an abundant number, since it is smaller than the sum of its proper divisors (661016761500).

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

313113202020 is a wasteful number, since it uses less digits than its factorization.

313113202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579839281 (or 579839273 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 313113202020 its reverse (20202311313), we get a palindrome (333315513333).

The spelling of 313113202020 in words is "three hundred thirteen billion, one hundred thirteen million, two hundred two thousand, twenty".