313022313 has 10 divisors (see below), whose sum is σ = 467601354. Its totient is φ = 208681488.

The previous prime is 313022291. The next prime is 313022323. The reversal of 313022313 is 313220313.

It can be written as a sum of positive squares in only one way, i.e., 243266409 + 69755904 = 15597^2 + 8352^2 .

It is not a de Polignac number, because 313022313 - 2²¹ = 310925161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313022323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1932156 + ... + 1932317.

Almost surely, 2^313022313 is an apocalyptic number.

It is an amenable number.

313022313 is a deficient number, since it is larger than the sum of its proper divisors (154579041).

313022313 is an equidigital number, since it uses as much as digits as its factorization.

313022313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864485 (or 3864476 counting only the distinct ones).

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

The square root of 313022313 is about 17692.4366043799. The cubic root of 313022313 is about 678.9822672022.

Adding to 313022313 its reverse (313220313), we get a palindrome (626242626).

The spelling of 313022313 in words is "three hundred thirteen million, twenty-two thousand, three hundred thirteen".