304331142 has 16 divisors (see below), whose sum is σ = 625113072. Its totient is φ = 98701920.

The previous prime is 304331119. The next prime is 304331171. The reversal of 304331142 is 241133403.

It is a congruent number.

It is an unprimeable number.

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, 685209 + ... + 685652.

It is an arithmetic number, because the mean of its divisors is an integer number (39069567).

Almost surely, 2^304331142 is an apocalyptic number.

304331142 is an abundant number, since it is smaller than the sum of its proper divisors (320781930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304331142 is a wasteful number, since it uses less digits than its factorization.

304331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370903.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 304331142 is about 17445.0893376904. The cubic root of 304331142 is about 672.6391355867.

Adding to 304331142 its reverse (241133403), we get a palindrome (545464545).

The spelling of 304331142 in words is "three hundred four million, three hundred thirty-one thousand, one hundred forty-two".