101304206209 has 2 divisors, whose sum is σ = 101304206210. Its totient is φ = 101304206208.

The previous prime is 101304206191. The next prime is 101304206291. The reversal of 101304206209 is 902602403101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95451956209 + 5852250000 = 308953^2 + 76500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101304206209 is a prime.

It is not a weakly prime, because it can be changed into another prime (101304206299) 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, 50652103104 + 50652103105.

It is an arithmetic number, because the mean of its divisors is an integer number (50652103105).

Almost surely, 2^101304206209 is an apocalyptic number.

It is an amenable number.

101304206209 is a deficient number, since it is larger than the sum of its proper divisors (1).

101304206209 is an equidigital number, since it uses as much as digits as its factorization.

101304206209 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 28.

The spelling of 101304206209 in words is "one hundred one billion, three hundred four million, two hundred six thousand, two hundred nine".