30671271793 has 2 divisors, whose sum is σ = 30671271794. Its totient is φ = 30671271792.

The previous prime is 30671271749. The next prime is 30671271809. The reversal of 30671271793 is 39717217603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30172732209 + 498539584 = 173703^2 + 22328^2 .

It is a cyclic number.

It is not a de Polignac number, because 30671271793 - 2²⁵ = 30637717361 is a prime.

It is not a weakly prime, because it can be changed into another prime (30671271733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15335635896 + 15335635897.

It is an arithmetic number, because the mean of its divisors is an integer number (15335635897).

Almost surely, 2^30671271793 is an apocalyptic number.

It is an amenable number.

30671271793 is a deficient number, since it is larger than the sum of its proper divisors (1).

30671271793 is an equidigital number, since it uses as much as digits as its factorization.

30671271793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 333396, while the sum is 46.

The spelling of 30671271793 in words is "thirty billion, six hundred seventy-one million, two hundred seventy-one thousand, seven hundred ninety-three".