30641671211 has 2 divisors, whose sum is σ = 30641671212. Its totient is φ = 30641671210.

The previous prime is 30641671171. The next prime is 30641671297. The reversal of 30641671211 is 11217614603.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30641671211 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30641671111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15320835605 + 15320835606.

It is an arithmetic number, because the mean of its divisors is an integer number (15320835606).

Almost surely, 2^30641671211 is an apocalyptic number.

30641671211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30641671211 is an equidigital number, since it uses as much as digits as its factorization.

30641671211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 30641671211 in words is "thirty billion, six hundred forty-one million, six hundred seventy-one thousand, two hundred eleven".