204305424113 has 4 divisors (see below), whose sum is σ = 233491913280. Its totient is φ = 175118934948.

The previous prime is 204305424097. The next prime is 204305424131. The reversal of 204305424113 is 311424503402.

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 204305424113 - 2⁴ = 204305424097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204305424173) 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, 14593244573 + ... + 14593244586.

It is an arithmetic number, because the mean of its divisors is an integer number (58372978320).

Almost surely, 2^204305424113 is an apocalyptic number.

It is an amenable number.

204305424113 is a deficient number, since it is larger than the sum of its proper divisors (29186489167).

204305424113 is an equidigital number, since it uses as much as digits as its factorization.

204305424113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29186489166.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 204305424113 its reverse (311424503402), we get a palindrome (515729927515).

The spelling of 204305424113 in words is "two hundred four billion, three hundred five million, four hundred twenty-four thousand, one hundred thirteen".