204325320361 has 4 divisors (see below), whose sum is σ = 204499809424. Its totient is φ = 204150831300.

The previous prime is 204325320293. The next prime is 204325320371. The reversal of 204325320361 is 163023523402.

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 a de Polignac number, because none of the positive numbers 2^k-204325320361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204325320371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87242775 + ... + 87245116.

It is an arithmetic number, because the mean of its divisors is an integer number (51124952356).

Almost surely, 2^204325320361 is an apocalyptic number.

It is an amenable number.

204325320361 is a deficient number, since it is larger than the sum of its proper divisors (174489063).

204325320361 is a wasteful number, since it uses less digits than its factorization.

204325320361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174489062.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 204325320361 its reverse (163023523402), we get a palindrome (367348843763).

The spelling of 204325320361 in words is "two hundred four billion, three hundred twenty-five million, three hundred twenty thousand, three hundred sixty-one".