204310221311401 has 4 divisors (see below), whose sum is σ = 204365158185600. Its totient is φ = 204255284437204.

The previous prime is 204310221311393. The next prime is 204310221311437. The reversal of 204310221311401 is 104113122013402.

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 204310221311401 - 2³ = 204310221311393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204310321311401) 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, 27468431521 + ... + 27468438958.

It is an arithmetic number, because the mean of its divisors is an integer number (51091289546400).

Almost surely, 2^{204310221311401} is an apocalyptic number.

It is an amenable number.

204310221311401 is a deficient number, since it is larger than the sum of its proper divisors (54936874199).

204310221311401 is an equidigital number, since it uses as much as digits as its factorization.

204310221311401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54936874198.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 204310221311401 its reverse (104113122013402), we get a palindrome (308423343324803).

The spelling of 204310221311401 in words is "two hundred four trillion, three hundred ten billion, two hundred twenty-one million, three hundred eleven thousand, four hundred one".