304042311 has 12 divisors (see below), whose sum is σ = 443202760. Its totient is φ = 200834640.

The previous prime is 304042309. The next prime is 304042337. The reversal of 304042311 is 113240403.

304042311 is a `hidden beast` number, since 30 + 404 + 231 + 1 = 666.

It is not a de Polignac number, because 304042311 - 2¹ = 304042309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304042381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153985 + ... + 155946.

Almost surely, 2^304042311 is an apocalyptic number.

304042311 is a deficient number, since it is larger than the sum of its proper divisors (139160449).

304042311 is a wasteful number, since it uses less digits than its factorization.

304042311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310046 (or 310043 counting only the distinct ones).

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

The square root of 304042311 is about 17436.8090830863. The cubic root of 304042311 is about 672.4262747682.

Adding to 304042311 its reverse (113240403), we get a palindrome (417282714).

The spelling of 304042311 in words is "three hundred four million, forty-two thousand, three hundred eleven".