313003302320 has 160 divisors (see below), whose sum is σ = 796125044736. Its totient is φ = 113930956800.

The previous prime is 313003302317. The next prime is 313003302389. The reversal of 313003302320 is 23203300313.

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 = 313003302292 and 313003302301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57630005 + ... + 57635435.

Almost surely, 2^313003302320 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 313003302320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398062522368).

313003302320 is an abundant number, since it is smaller than the sum of its proper divisors (483121742416).

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

313003302320 is a wasteful number, since it uses less digits than its factorization.

313003302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859 (or 6853 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 313003302320 its reverse (23203300313), we get a palindrome (336206602633).

The spelling of 313003302320 in words is "three hundred thirteen billion, three million, three hundred two thousand, three hundred twenty".