204302315 has 12 divisors (see below), whose sum is σ = 285189696. Its totient is φ = 140092848.

The previous prime is 204302291. The next prime is 204302317. The reversal of 204302315 is 513203402.

It is a happy number.

It is not a de Polignac number, because 204302315 - 2¹² = 204298219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204302317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416699 + ... + 417188.

It is an arithmetic number, because the mean of its divisors is an integer number (23765808).

Almost surely, 2^204302315 is an apocalyptic number.

204302315 is a deficient number, since it is larger than the sum of its proper divisors (80887381).

204302315 is an equidigital number, since it uses as much as digits as its factorization.

204302315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833906 (or 833899 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 204302315 is about 14293.4360809429. The cubic root of 204302315 is about 588.9671818627.

Adding to 204302315 its reverse (513203402), we get a palindrome (717505717).

The spelling of 204302315 in words is "two hundred four million, three hundred two thousand, three hundred fifteen".