204130343311 has 2 divisors, whose sum is σ = 204130343312. Its totient is φ = 204130343310.

The previous prime is 204130343309. The next prime is 204130343387. The reversal of 204130343311 is 113343031402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204130343311 - 2¹ = 204130343309 is a prime.

Together with 204130343309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204130340311) 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, 102065171655 + 102065171656.

It is an arithmetic number, because the mean of its divisors is an integer number (102065171656).

Almost surely, 2^204130343311 is an apocalyptic number.

204130343311 is a deficient number, since it is larger than the sum of its proper divisors (1).

204130343311 is an equidigital number, since it uses as much as digits as its factorization.

204130343311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 204130343311 its reverse (113343031402), we get a palindrome (317473374713).

The spelling of 204130343311 in words is "two hundred four billion, one hundred thirty million, three hundred forty-three thousand, three hundred eleven".