304480313 has 2 divisors, whose sum is σ = 304480314. Its totient is φ = 304480312.

The previous prime is 304480259. The next prime is 304480331. The reversal of 304480313 is 313084403.

Together with next prime (304480331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253828624 + 50651689 = 15932^2 + 7117^2 .

It is a cyclic number.

It is not a de Polignac number, because 304480313 - 2⁶ = 304480249 is a prime.

It is a super-2 number, since 2×304480313² = 185416522009155938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304480373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152240156 + 152240157.

It is an arithmetic number, because the mean of its divisors is an integer number (152240157).

Almost surely, 2^304480313 is an apocalyptic number.

It is an amenable number.

304480313 is a deficient number, since it is larger than the sum of its proper divisors (1).

304480313 is an equidigital number, since it uses as much as digits as its factorization.

304480313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 304480313 is about 17449.3642577602. The cubic root of 304480313 is about 672.7490179366.

The spelling of 304480313 in words is "three hundred four million, four hundred eighty thousand, three hundred thirteen".