30640110971 has 2 divisors, whose sum is σ = 30640110972. Its totient is φ = 30640110970.

The previous prime is 30640110947. The next prime is 30640111027. The reversal of 30640110971 is 17901104603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30640110971 - 2³⁴ = 13460241787 is a prime.

It is not a weakly prime, because it can be changed into another prime (30640110911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15320055485 + 15320055486.

It is an arithmetic number, because the mean of its divisors is an integer number (15320055486).

Almost surely, 2^30640110971 is an apocalyptic number.

30640110971 is a deficient number, since it is larger than the sum of its proper divisors (1).

30640110971 is an equidigital number, since it uses as much as digits as its factorization.

30640110971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 30640110971 in words is "thirty billion, six hundred forty million, one hundred ten thousand, nine hundred seventy-one".