204323034313 has 4 divisors (see below), whose sum is σ = 210914099968. Its totient is φ = 197731968660.

The previous prime is 204323034299. The next prime is 204323034337. The reversal of 204323034313 is 313430323402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204323034313 - 2⁹ = 204323033801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204323034353) 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, 3295532781 + ... + 3295532842.

It is an arithmetic number, because the mean of its divisors is an integer number (52728524992).

Almost surely, 2^204323034313 is an apocalyptic number.

It is an amenable number.

204323034313 is a deficient number, since it is larger than the sum of its proper divisors (6591065655).

204323034313 is an equidigital number, since it uses as much as digits as its factorization.

204323034313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591065654.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 204323034313 its reverse (313430323402), we get a palindrome (517753357715).

The spelling of 204323034313 in words is "two hundred four billion, three hundred twenty-three million, thirty-four thousand, three hundred thirteen".