313001022320 has 80 divisors (see below), whose sum is σ = 832249202880. Its totient is φ = 107242278912.

The previous prime is 313001022319. The next prime is 313001022343. The reversal of 313001022320 is 23220100313.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 646154 + ... + 1021526.

It is an arithmetic number, because the mean of its divisors is an integer number (10403115036).

Almost surely, 2^313001022320 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 313001022320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416124601440).

313001022320 is an abundant number, since it is smaller than the sum of its proper divisors (519248180560).

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

313001022320 is a wasteful number, since it uses less digits than its factorization.

313001022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376882 (or 376876 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 313001022320 its reverse (23220100313), we get a palindrome (336221122633).

The spelling of 313001022320 in words is "three hundred thirteen billion, one million, twenty-two thousand, three hundred twenty".