30434202191 has 2 divisors, whose sum is σ = 30434202192. Its totient is φ = 30434202190.

The previous prime is 30434202187. The next prime is 30434202287. The reversal of 30434202191 is 19120243403.

It is a weak prime.

It is an emirp because it is prime and its reverse (19120243403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30434202191 - 2² = 30434202187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30434202091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15217101095 + 15217101096.

It is an arithmetic number, because the mean of its divisors is an integer number (15217101096).

Almost surely, 2^30434202191 is an apocalyptic number.

30434202191 is a deficient number, since it is larger than the sum of its proper divisors (1).

30434202191 is an equidigital number, since it uses as much as digits as its factorization.

30434202191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 30434202191 its reverse (19120243403), we get a palindrome (49554445594).

The spelling of 30434202191 in words is "thirty billion, four hundred thirty-four million, two hundred two thousand, one hundred ninety-one".