304242113 has 4 divisors (see below), whose sum is σ = 347705280. Its totient is φ = 260778948.

The previous prime is 304242097. The next prime is 304242143. The reversal of 304242113 is 311242403.

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: 311242403 = 67 ⋅4645409.

It is a cyclic number.

It is not a de Polignac number, because 304242113 - 2⁴ = 304242097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304242143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21731573 + ... + 21731586.

It is an arithmetic number, because the mean of its divisors is an integer number (86926320).

Almost surely, 2^304242113 is an apocalyptic number.

It is an amenable number.

304242113 is a deficient number, since it is larger than the sum of its proper divisors (43463167).

304242113 is an equidigital number, since it uses as much as digits as its factorization.

304242113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43463166.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 304242113 is about 17442.5374587530. The cubic root of 304242113 is about 672.5735379292.

Adding to 304242113 its reverse (311242403), we get a palindrome (615484516).

The spelling of 304242113 in words is "three hundred four million, two hundred forty-two thousand, one hundred thirteen".