30797087291 has 2 divisors, whose sum is σ = 30797087292. Its totient is φ = 30797087290.

The previous prime is 30797087267. The next prime is 30797087297. The reversal of 30797087291 is 19278079703.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30797087291 - 2¹⁴ = 30797070907 is a prime.

It is not a weakly prime, because it can be changed into another prime (30797087297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15398543645 + 15398543646.

It is an arithmetic number, because the mean of its divisors is an integer number (15398543646).

Almost surely, 2^30797087291 is an apocalyptic number.

30797087291 is a deficient number, since it is larger than the sum of its proper divisors (1).

30797087291 is an equidigital number, since it uses as much as digits as its factorization.

30797087291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 53.

The spelling of 30797087291 in words is "thirty billion, seven hundred ninety-seven million, eighty-seven thousand, two hundred ninety-one".