204321440113 has 4 divisors (see below), whose sum is σ = 233510217280. Its totient is φ = 175132662948.

The previous prime is 204321440087. The next prime is 204321440123. The reversal of 204321440113 is 311044123402.

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 204321440113 - 2¹⁷ = 204321309041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204321440123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14594388573 + ... + 14594388586.

It is an arithmetic number, because the mean of its divisors is an integer number (58377554320).

Almost surely, 2^204321440113 is an apocalyptic number.

It is an amenable number.

204321440113 is a deficient number, since it is larger than the sum of its proper divisors (29188777167).

204321440113 is an equidigital number, since it uses as much as digits as its factorization.

204321440113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29188777166.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204321440113 its reverse (311044123402), we get a palindrome (515365563515).

The spelling of 204321440113 in words is "two hundred four billion, three hundred twenty-one million, four hundred forty thousand, one hundred thirteen".