304321042 has 4 divisors (see below), whose sum is σ = 456481566. Its totient is φ = 152160520.

The previous prime is 304321037. The next prime is 304321057. The reversal of 304321042 is 240123403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 302446881 + 1874161 = 17391^2 + 1369^2 .

It is a super-2 number, since 2×304321042² = 185222593207931528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76080259 + ... + 76080262.

Almost surely, 2^304321042 is an apocalyptic number.

304321042 is a deficient number, since it is larger than the sum of its proper divisors (152160524).

304321042 is a wasteful number, since it uses less digits than its factorization.

304321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152160523.

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

The square root of 304321042 is about 17444.7998555443. The cubic root of 304321042 is about 672.6316944265.

Adding to 304321042 its reverse (240123403), we get a palindrome (544444445).

The spelling of 304321042 in words is "three hundred four million, three hundred twenty-one thousand, forty-two".