313220313 has 12 divisors (see below), whose sum is σ = 517062208. Its totient is φ = 178983000.

The previous prime is 313220309. The next prime is 313220317. The reversal of 313220313 is 313022313.

313220313 is a `hidden beast` number, since 31 + 322 + 0 + 313 = 666.

It is an interprime number because it is at equal distance from previous prime (313220309) and next prime (313220317).

It is not a de Polignac number, because 313220313 - 2² = 313220309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313220317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2485813 + ... + 2485938.

Almost surely, 2^313220313 is an apocalyptic number.

It is an amenable number.

313220313 is a deficient number, since it is larger than the sum of its proper divisors (203841895).

313220313 is a wasteful number, since it uses less digits than its factorization.

313220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971764 (or 4971761 counting only the distinct ones).

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

The square root of 313220313 is about 17698.0313311961. The cubic root of 313220313 is about 679.1253988015.

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

The spelling of 313220313 in words is "three hundred thirteen million, two hundred twenty thousand, three hundred thirteen".