310012313321 has 4 divisors (see below), whose sum is σ = 310905720912. Its totient is φ = 309118905732.

The previous prime is 310012313311. The next prime is 310012313329. The reversal of 310012313321 is 123313210013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 310012313321 - 2⁶ = 310012313257 is a prime.

It is a super-2 number, since 2×310012313321² (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 = 310012313293 and 310012313302.

It is not an unprimeable number, because it can be changed into a prime (310012313329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446703275 + ... + 446703968.

It is an arithmetic number, because the mean of its divisors is an integer number (77726430228).

Almost surely, 2^310012313321 is an apocalyptic number.

It is an amenable number.

310012313321 is a deficient number, since it is larger than the sum of its proper divisors (893407591).

310012313321 is an equidigital number, since it uses as much as digits as its factorization.

310012313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893407590.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 310012313321 its reverse (123313210013), we get a palindrome (433325523334).

The spelling of 310012313321 in words is "three hundred ten billion, twelve million, three hundred thirteen thousand, three hundred twenty-one".