304113613 has 4 divisors (see below), whose sum is σ = 317335968. Its totient is φ = 290891260.

The previous prime is 304113611. The next prime is 304113643. The reversal of 304113613 is 316311403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316311403 = 3943 ⋅80221.

It is a cyclic number.

It is not a de Polignac number, because 304113613 - 2¹ = 304113611 is a prime.

It is a super-2 number, since 2×304113613² = 184970179223827538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304113611) 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 in 3 ways as a sum of consecutive naturals, for example, 6611143 + ... + 6611188.

It is an arithmetic number, because the mean of its divisors is an integer number (79333992).

Almost surely, 2^304113613 is an apocalyptic number.

It is an amenable number.

304113613 is a deficient number, since it is larger than the sum of its proper divisors (13222355).

304113613 is a wasteful number, since it uses less digits than its factorization.

304113613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13222354.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 304113613 is about 17438.8535460334. The cubic root of 304113613 is about 672.4788349866.

The spelling of 304113613 in words is "three hundred four million, one hundred thirteen thousand, six hundred thirteen".