30807371291 has 2 divisors, whose sum is σ = 30807371292. Its totient is φ = 30807371290.

The previous prime is 30807371261. The next prime is 30807371293. The reversal of 30807371291 is 19217370803.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30807371291 is a prime.

Together with 30807371293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30807371293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15403685645 + 15403685646.

It is an arithmetic number, because the mean of its divisors is an integer number (15403685646).

Almost surely, 2^30807371291 is an apocalyptic number.

30807371291 is a deficient number, since it is larger than the sum of its proper divisors (1).

30807371291 is an equidigital number, since it uses as much as digits as its factorization.

30807371291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 30807371291 in words is "thirty billion, eight hundred seven million, three hundred seventy-one thousand, two hundred ninety-one".