304122313 has 16 divisors (see below), whose sum is σ = 337853376. Its totient is φ = 271434240.

The previous prime is 304122311. The next prime is 304122319. The reversal of 304122313 is 313221403.

It is not a de Polignac number, because 304122313 - 2¹ = 304122311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304122311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318645 + ... + 319597.

It is an arithmetic number, because the mean of its divisors is an integer number (21115836).

Almost surely, 2^304122313 is an apocalyptic number.

It is an amenable number.

304122313 is a deficient number, since it is larger than the sum of its proper divisors (33731063).

304122313 is a wasteful number, since it uses less digits than its factorization.

304122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 304122313 is about 17439.1029872525. The cubic root of 304122313 is about 672.4852476230.

Adding to 304122313 its reverse (313221403), we get a palindrome (617343716).

The spelling of 304122313 in words is "three hundred four million, one hundred twenty-two thousand, three hundred thirteen".