204524130313 has 2 divisors, whose sum is σ = 204524130314. Its totient is φ = 204524130312.

The previous prime is 204524130301. The next prime is 204524130323. The reversal of 204524130313 is 313031425402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197839923264 + 6684207049 = 444792^2 + 81757^2 .

It is a cyclic number.

It is not a de Polignac number, because 204524130313 - 2²⁵ = 204490575881 is a prime.

It is not a weakly prime, because it can be changed into another prime (204524130323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102262065156 + 102262065157.

It is an arithmetic number, because the mean of its divisors is an integer number (102262065157).

Almost surely, 2^204524130313 is an apocalyptic number.

It is an amenable number.

204524130313 is a deficient number, since it is larger than the sum of its proper divisors (1).

204524130313 is an equidigital number, since it uses as much as digits as its factorization.

204524130313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 204524130313 its reverse (313031425402), we get a palindrome (517555555715).

The spelling of 204524130313 in words is "two hundred four billion, five hundred twenty-four million, one hundred thirty thousand, three hundred thirteen".