204200131323321 has 12 divisors (see below), whose sum is σ = 337092280279872. Its totient is φ = 116685789327576.

The previous prime is 204200131323313. The next prime is 204200131323341. The reversal of 204200131323321 is 123323131002402.

204200131323321 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 0 + 0 + 1 + 313 + 23 + 321 = 666.

It is not a de Polignac number, because 204200131323321 - 2³ = 204200131323313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204200131323341) 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 11 ways as a sum of consecutive naturals, for example, 1620635962821 + ... + 1620635962946.

It is an arithmetic number, because the mean of its divisors is an integer number (28091023356656).

Almost surely, 2^{204200131323321} is an apocalyptic number.

204200131323321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

204200131323321 is a deficient number, since it is larger than the sum of its proper divisors (132892148956551).

204200131323321 is a wasteful number, since it uses less digits than its factorization.

204200131323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241271925780 (or 3241271925777 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 204200131323321 its reverse (123323131002402), we get a palindrome (327523262325723).

The spelling of 204200131323321 in words is "two hundred four trillion, two hundred billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty-one".