313023000321 has 24 divisors (see below), whose sum is σ = 453587417504. Its totient is φ = 208016242560.

The previous prime is 313023000287. The next prime is 313023000349. The reversal of 313023000321 is 123000320313.

313023000321 is a `hidden beast` number, since 31 + 302 + 300 + 0 + 32 + 1 = 666.

It is not a de Polignac number, because 313023000321 - 2³¹ = 310875516673 is a prime.

It is a super-2 number, since 2×313023000321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313023000294 and 313023000303.

It is not an unprimeable number, because it can be changed into a prime (313023000361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18392706 + ... + 18409716.

Almost surely, 2^313023000321 is an apocalyptic number.

It is an amenable number.

313023000321 is a deficient number, since it is larger than the sum of its proper divisors (140564417183).

313023000321 is a wasteful number, since it uses less digits than its factorization.

313023000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23421 (or 23418 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 313023000321 its reverse (123000320313), we get a palindrome (436023320634).

The spelling of 313023000321 in words is "three hundred thirteen billion, twenty-three million, three hundred twenty-one", and thus it is an aban number.