306386680211 has 2 divisors, whose sum is σ = 306386680212. Its totient is φ = 306386680210.

The previous prime is 306386680183. The next prime is 306386680297. The reversal of 306386680211 is 112086683603.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306386680211 is a prime.

It is not a weakly prime, because it can be changed into another prime (306386689211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153193340105 + 153193340106.

It is an arithmetic number, because the mean of its divisors is an integer number (153193340106).

Almost surely, 2^306386680211 is an apocalyptic number.

306386680211 is a deficient number, since it is larger than the sum of its proper divisors (1).

306386680211 is an equidigital number, since it uses as much as digits as its factorization.

306386680211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 306386680211 in words is "three hundred six billion, three hundred eighty-six million, six hundred eighty thousand, two hundred eleven".