204327505931 has 2 divisors, whose sum is σ = 204327505932. Its totient is φ = 204327505930.

The previous prime is 204327505861. The next prime is 204327505973. The reversal of 204327505931 is 139505723402.

204327505931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204327505931 - 2¹⁸ = 204327243787 is a prime.

It is a super-2 number, since 2×204327505931² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204327505231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102163752965 + 102163752966.

It is an arithmetic number, because the mean of its divisors is an integer number (102163752966).

Almost surely, 2^204327505931 is an apocalyptic number.

204327505931 is a deficient number, since it is larger than the sum of its proper divisors (1).

204327505931 is an equidigital number, since it uses as much as digits as its factorization.

204327505931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 204327505931 in words is "two hundred four billion, three hundred twenty-seven million, five hundred five thousand, nine hundred thirty-one".