304042131 has 6 divisors (see below), whose sum is σ = 439171980. Its totient is φ = 202694748.

The previous prime is 304042103. The next prime is 304042133. The reversal of 304042131 is 131240403.

It is not a de Polignac number, because 304042131 - 2¹¹ = 304040083 is a prime.

It is a super-2 number, since 2×304042131² = 184883234846042322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (304042133) 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 5 ways as a sum of consecutive naturals, for example, 16891221 + ... + 16891238.

It is an arithmetic number, because the mean of its divisors is an integer number (73195330).

Almost surely, 2^304042131 is an apocalyptic number.

304042131 is a deficient number, since it is larger than the sum of its proper divisors (135129849).

304042131 is a wasteful number, since it uses less digits than its factorization.

304042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33782465 (or 33782462 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 304042131 is about 17436.8039215907. The cubic root of 304042131 is about 672.4261420710.

Adding to 304042131 its reverse (131240403), we get a palindrome (435282534).

The spelling of 304042131 in words is "three hundred four million, forty-two thousand, one hundred thirty-one".