204400200225031 has 2 divisors, whose sum is σ = 204400200225032. Its totient is φ = 204400200225030.

The previous prime is 204400200225017. The next prime is 204400200225047. The reversal of 204400200225031 is 130522002004402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204400200225031 - 2⁷ = 204400200224903 is a prime.

It is a super-3 number, since 3×204400200225031³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 204400200224987 and 204400200225005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204400200225731) 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 as a sum of consecutive naturals, namely, 102200100112515 + 102200100112516.

It is an arithmetic number, because the mean of its divisors is an integer number (102200100112516).

Almost surely, 2^{204400200225031} is an apocalyptic number.

204400200225031 is a deficient number, since it is larger than the sum of its proper divisors (1).

204400200225031 is an equidigital number, since it uses as much as digits as its factorization.

204400200225031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 204400200225031 its reverse (130522002004402), we get a palindrome (334922202229433).

The spelling of 204400200225031 in words is "two hundred four trillion, four hundred billion, two hundred million, two hundred twenty-five thousand, thirty-one".