313423324321 has 2 divisors, whose sum is σ = 313423324322. Its totient is φ = 313423324320.

The previous prime is 313423324297. The next prime is 313423324367. The reversal of 313423324321 is 123423324313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175012539025 + 138410785296 = 418345^2 + 372036^2 .

It is a cyclic number.

It is not a de Polignac number, because 313423324321 - 2²⁹ = 312886453409 is a prime.

It is a super-2 number, since 2×313423324321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313423322321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156711662160 + 156711662161.

It is an arithmetic number, because the mean of its divisors is an integer number (156711662161).

Almost surely, 2^313423324321 is an apocalyptic number.

It is an amenable number.

313423324321 is a deficient number, since it is larger than the sum of its proper divisors (1).

313423324321 is an equidigital number, since it uses as much as digits as its factorization.

313423324321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 31.

Adding to 313423324321 its reverse (123423324313), we get a palindrome (436846648634).

The spelling of 313423324321 in words is "three hundred thirteen billion, four hundred twenty-three million, three hundred twenty-four thousand, three hundred twenty-one".