30112302191 has 2 divisors, whose sum is σ = 30112302192. Its totient is φ = 30112302190.

The previous prime is 30112302169. The next prime is 30112302203. The reversal of 30112302191 is 19120321103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30112302191 - 2⁶ = 30112302127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30112302151) 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, 15056151095 + 15056151096.

It is an arithmetic number, because the mean of its divisors is an integer number (15056151096).

Almost surely, 2^30112302191 is an apocalyptic number.

30112302191 is a deficient number, since it is larger than the sum of its proper divisors (1).

30112302191 is an equidigital number, since it uses as much as digits as its factorization.

30112302191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 30112302191 its reverse (19120321103), we get a palindrome (49232623294).

The spelling of 30112302191 in words is "thirty billion, one hundred twelve million, three hundred two thousand, one hundred ninety-one".