30302213189 has 2 divisors, whose sum is σ = 30302213190. Its totient is φ = 30302213188.

The previous prime is 30302213119. The next prime is 30302213191. The reversal of 30302213189 is 98131220303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18058790689 + 12243422500 = 134383^2 + 110650^2 .

It is a cyclic number.

It is not a de Polignac number, because 30302213189 - 2²⁸ = 30033777733 is a prime.

Together with 30302213191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30302213119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151106594 + 15151106595.

It is an arithmetic number, because the mean of its divisors is an integer number (15151106595).

Almost surely, 2^30302213189 is an apocalyptic number.

It is an amenable number.

30302213189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30302213189 is an equidigital number, since it uses as much as digits as its factorization.

30302213189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 30302213189 in words is "thirty billion, three hundred two million, two hundred thirteen thousand, one hundred eighty-nine".