304312042 has 16 divisors (see below), whose sum is σ = 466548264. Its totient is φ = 148824000.

The previous prime is 304312039. The next prime is 304312049. The reversal of 304312042 is 240213403.

It can be written as a sum of positive squares in 4 ways, for example, as 89132481 + 215179561 = 9441^2 + 14669^2 .

It is not an unprimeable number, because it can be changed into a prime (304312049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15192 + ... + 28972.

Almost surely, 2^304312042 is an apocalyptic number.

304312042 is a deficient number, since it is larger than the sum of its proper divisors (162236222).

304312042 is a wasteful number, since it uses less digits than its factorization.

304312042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14025.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 304312042 is about 17444.5418971093. The cubic root of 304312042 is about 672.6250635508.

Adding to 304312042 its reverse (240213403), we get a palindrome (544525445).

The spelling of 304312042 in words is "three hundred four million, three hundred twelve thousand, forty-two".