30686343211 has 2 divisors, whose sum is σ = 30686343212. Its totient is φ = 30686343210.

The previous prime is 30686343203. The next prime is 30686343239. The reversal of 30686343211 is 11234368603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30686343211 - 2³ = 30686343203 is a prime.

It is not a weakly prime, because it can be changed into another prime (30686341211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15343171605 + 15343171606.

It is an arithmetic number, because the mean of its divisors is an integer number (15343171606).

Almost surely, 2^30686343211 is an apocalyptic number.

30686343211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30686343211 is an equidigital number, since it uses as much as digits as its factorization.

30686343211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 30686343211 in words is "thirty billion, six hundred eighty-six million, three hundred forty-three thousand, two hundred eleven".