304790131 has 2 divisors, whose sum is σ = 304790132. Its totient is φ = 304790130.

The previous prime is 304790117. The next prime is 304790173. The reversal of 304790131 is 131097403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 304790131 - 2¹⁷ = 304659059 is a prime.

It is a super-2 number, since 2×304790131² = 185794047909994322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304790131.

It is not a weakly prime, because it can be changed into another prime (304790231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152395065 + 152395066.

It is an arithmetic number, because the mean of its divisors is an integer number (152395066).

Almost surely, 2^304790131 is an apocalyptic number.

304790131 is a deficient number, since it is larger than the sum of its proper divisors (1).

304790131 is an equidigital number, since it uses as much as digits as its factorization.

304790131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 304790131 is about 17458.2396306157. The cubic root of 304790131 is about 672.9771214644.

The spelling of 304790131 in words is "three hundred four million, seven hundred ninety thousand, one hundred thirty-one".