304040131 has 8 divisors (see below), whose sum is σ = 307850400. Its totient is φ = 300248640.

The previous prime is 304040129. The next prime is 304040153. The reversal of 304040131 is 131040403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 304040131 - 2¹ = 304040129 is a prime.

It is a super-2 number, since 2×304040131² = 184880802516994322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304047131) 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 7 ways as a sum of consecutive naturals, for example, 29415 + ... + 38383.

It is an arithmetic number, because the mean of its divisors is an integer number (38481300).

Almost surely, 2^304040131 is an apocalyptic number.

304040131 is a deficient number, since it is larger than the sum of its proper divisors (3810269).

304040131 is a wasteful number, since it uses less digits than its factorization.

304040131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9389.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 304040131 is about 17436.7465715368. The cubic root of 304040131 is about 672.4246676533.

Adding to 304040131 its reverse (131040403), we get a palindrome (435080534).

The spelling of 304040131 in words is "three hundred four million, forty thousand, one hundred thirty-one".