204311302422113 has 4 divisors (see below), whose sum is σ = 204783153005508. Its totient is φ = 203839451838720.

The previous prime is 204311302422083. The next prime is 204311302422191. The reversal of 204311302422113 is 311224203113402.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93904859964304 + 110406442457809 = 9690452^2 + 10507447^2 .

It is a cyclic number.

It is not a de Polignac number, because 204311302422113 - 2⁶ = 204311302422049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204311322422113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235925291048 + ... + 235925291913.

It is an arithmetic number, because the mean of its divisors is an integer number (51195788251377).

Almost surely, 2^{204311302422113} is an apocalyptic number.

It is an amenable number.

204311302422113 is a deficient number, since it is larger than the sum of its proper divisors (471850583395).

204311302422113 is an equidigital number, since it uses as much as digits as its factorization.

204311302422113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471850583394.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 204311302422113 its reverse (311224203113402), we get a palindrome (515535505535515).

The spelling of 204311302422113 in words is "two hundred four trillion, three hundred eleven billion, three hundred two million, four hundred twenty-two thousand, one hundred thirteen".