206345102303 has 2 divisors, whose sum is σ = 206345102304. Its totient is φ = 206345102302.

The previous prime is 206345102273. The next prime is 206345102339. The reversal of 206345102303 is 303201543602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206345102303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206345102363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103172551151 + 103172551152.

It is an arithmetic number, because the mean of its divisors is an integer number (103172551152).

Almost surely, 2^206345102303 is an apocalyptic number.

206345102303 is a deficient number, since it is larger than the sum of its proper divisors (1).

206345102303 is an equidigital number, since it uses as much as digits as its factorization.

206345102303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 206345102303 its reverse (303201543602), we get a palindrome (509546645905).

The spelling of 206345102303 in words is "two hundred six billion, three hundred forty-five million, one hundred two thousand, three hundred three".