204300434231 has 2 divisors, whose sum is σ = 204300434232. Its totient is φ = 204300434230.

The previous prime is 204300434213. The next prime is 204300434243. The reversal of 204300434231 is 132434003402.

Together with previous prime (204300434213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204300434231 is a prime.

It is a super-2 number, since 2×204300434231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204300434231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204300430231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102150217115 + 102150217116.

It is an arithmetic number, because the mean of its divisors is an integer number (102150217116).

Almost surely, 2^204300434231 is an apocalyptic number.

204300434231 is a deficient number, since it is larger than the sum of its proper divisors (1).

204300434231 is an equidigital number, since it uses as much as digits as its factorization.

204300434231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 204300434231 its reverse (132434003402), we get a palindrome (336734437633).

The spelling of 204300434231 in words is "two hundred four billion, three hundred million, four hundred thirty-four thousand, two hundred thirty-one".