313173767856 has 80 divisors (see below), whose sum is σ = 834625025024. Its totient is φ = 101114272512.

The previous prime is 313173767813. The next prime is 313173767857. The reversal of 313173767856 is 658767371313.

It is a junction number, because it is equal to n+sod(n) for n = 313173767796 and 313173767805.

It is not an unprimeable number, because it can be changed into a prime (313173767857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675 + ... + 791421.

Almost surely, 2^313173767856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313173767856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417312512512).

313173767856 is an abundant number, since it is smaller than the sum of its proper divisors (521451257168).

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

313173767856 is a wasteful number, since it uses less digits than its factorization.

313173767856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791018 (or 791012 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 57.

The spelling of 313173767856 in words is "three hundred thirteen billion, one hundred seventy-three million, seven hundred sixty-seven thousand, eight hundred fifty-six".