204342650231 has 2 divisors, whose sum is σ = 204342650232. Its totient is φ = 204342650230.

The previous prime is 204342650209. The next prime is 204342650243. The reversal of 204342650231 is 132056243402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204342650231 - 2¹⁸ = 204342388087 is a prime.

It is a super-2 number, since 2×204342650231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204342650201) 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, 102171325115 + 102171325116.

It is an arithmetic number, because the mean of its divisors is an integer number (102171325116).

Almost surely, 2^204342650231 is an apocalyptic number.

204342650231 is a deficient number, since it is larger than the sum of its proper divisors (1).

204342650231 is an equidigital number, since it uses as much as digits as its factorization.

204342650231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 204342650231 its reverse (132056243402), we get a palindrome (336398893633).

The spelling of 204342650231 in words is "two hundred four billion, three hundred forty-two million, six hundred fifty thousand, two hundred thirty-one".