313220099 has 2 divisors, whose sum is σ = 313220100. Its totient is φ = 313220098.

The previous prime is 313220029. The next prime is 313220123. The reversal of 313220099 is 990022313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313220099 - 2⁸ = 313219843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156610049 + 156610050.

It is an arithmetic number, because the mean of its divisors is an integer number (156610050).

Almost surely, 2^313220099 is an apocalyptic number.

313220099 is a deficient number, since it is larger than the sum of its proper divisors (1).

313220099 is an equidigital number, since it uses as much as digits as its factorization.

313220099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 313220099 is about 17698.0252853249. The cubic root of 313220099 is about 679.1252441363.

The spelling of 313220099 in words is "three hundred thirteen million, two hundred twenty thousand, ninety-nine".