204234241271 has 2 divisors, whose sum is σ = 204234241272. Its totient is φ = 204234241270.

The previous prime is 204234241217. The next prime is 204234241279. The reversal of 204234241271 is 172142432402.

Together with previous prime (204234241217) 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-204234241271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204234241279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102117120635 + 102117120636.

It is an arithmetic number, because the mean of its divisors is an integer number (102117120636).

Almost surely, 2^204234241271 is an apocalyptic number.

204234241271 is a deficient number, since it is larger than the sum of its proper divisors (1).

204234241271 is an equidigital number, since it uses as much as digits as its factorization.

204234241271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 204234241271 its reverse (172142432402), we get a palindrome (376376673673).

The spelling of 204234241271 in words is "two hundred four billion, two hundred thirty-four million, two hundred forty-one thousand, two hundred seventy-one".