204102331010243 has 16 divisors (see below), whose sum is σ = 206814842241024. Its totient is φ = 201408377882400.

The previous prime is 204102331010159. The next prime is 204102331010293. The reversal of 204102331010243 is 342010133201402.

It is a cyclic number.

It is not a de Polignac number, because 204102331010243 - 2²⁰ = 204102329961667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204102331010293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92960546 + ... + 95130792.

It is an arithmetic number, because the mean of its divisors is an integer number (12925927640064).

Almost surely, 2^{204102331010243} is an apocalyptic number.

204102331010243 is a deficient number, since it is larger than the sum of its proper divisors (2712511230781).

204102331010243 is a wasteful number, since it uses less digits than its factorization.

204102331010243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174522.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 204102331010243 its reverse (342010133201402), we get a palindrome (546112464211645).

The spelling of 204102331010243 in words is "two hundred four trillion, one hundred two billion, three hundred thirty-one million, ten thousand, two hundred forty-three".