313310320 has 40 divisors (see below), whose sum is σ = 729189936. Its totient is φ = 125196288.

The previous prime is 313310293. The next prime is 313310321. The reversal of 313310320 is 23013313.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 313310294 and 313310303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313310321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136704 + ... + 138976.

Almost surely, 2^313310320 is an apocalyptic number.

It is an amenable number.

313310320 is an abundant number, since it is smaller than the sum of its proper divisors (415879616).

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

313310320 is a wasteful number, since it uses less digits than its factorization.

313310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009 (or 4003 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 313310320 is about 17700.5740019921. The cubic root of 313310320 is about 679.1904437375.

Adding to 313310320 its reverse (23013313), we get a palindrome (336323633).

The spelling of 313310320 in words is "three hundred thirteen million, three hundred ten thousand, three hundred twenty".