204303430235215 has 4 divisors (see below), whose sum is σ = 245164116282264. Its totient is φ = 163442744188168.

The previous prime is 204303430235189. The next prime is 204303430235227. The reversal of 204303430235215 is 512532034303402.

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

It is a cyclic number.

It is not a de Polignac number, because 204303430235215 - 2¹¹ = 204303430233167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20430343023517 + ... + 20430343023526.

It is an arithmetic number, because the mean of its divisors is an integer number (61291029070566).

Almost surely, 2^{204303430235215} is an apocalyptic number.

204303430235215 is a deficient number, since it is larger than the sum of its proper divisors (40860686047049).

204303430235215 is an equidigital number, since it uses as much as digits as its factorization.

204303430235215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40860686047048.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 204303430235215 its reverse (512532034303402), we get a palindrome (716835464538617).

The spelling of 204303430235215 in words is "two hundred four trillion, three hundred three billion, four hundred thirty million, two hundred thirty-five thousand, two hundred fifteen".