304230513 has 8 divisors (see below), whose sum is σ = 406353376. Its totient is φ = 202464000.

The previous prime is 304230473. The next prime is 304230523. The reversal of 304230513 is 315032403.

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

It is not a de Polignac number, because 304230513 - 2⁸ = 304230257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 304230513.

It is not an unprimeable number, because it can be changed into a prime (304230523) 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, 87088 + ... + 90513.

It is an arithmetic number, because the mean of its divisors is an integer number (50794172).

Almost surely, 2^304230513 is an apocalyptic number.

It is an amenable number.

304230513 is a deficient number, since it is larger than the sum of its proper divisors (102122863).

304230513 is a wasteful number, since it uses less digits than its factorization.

304230513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178175.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 304230513 is about 17442.2049351566. The cubic root of 304230513 is about 672.5649899649.

Adding to 304230513 its reverse (315032403), we get a palindrome (619262916).

The spelling of 304230513 in words is "three hundred four million, two hundred thirty thousand, five hundred thirteen".