313023403320 has 128 divisors (see below), whose sum is σ = 948981795840. Its totient is φ = 82595824640.

The previous prime is 313023403271. The next prime is 313023403337. The reversal of 313023403320 is 23304320313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 5082229 + ... + 5143451.

It is an arithmetic number, because the mean of its divisors is an integer number (7413920280).

Almost surely, 2^313023403320 is an apocalyptic number.

313023403320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313023403320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474490897920).

313023403320 is an abundant number, since it is smaller than the sum of its proper divisors (635958392520).

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

313023403320 is a wasteful number, since it uses less digits than its factorization.

313023403320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61685 (or 61681 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 313023403320 its reverse (23304320313), we get a palindrome (336327723633).

The spelling of 313023403320 in words is "three hundred thirteen billion, twenty-three million, four hundred three thousand, three hundred twenty".