30231304189 has 2 divisors, whose sum is σ = 30231304190. Its totient is φ = 30231304188.

The previous prime is 30231304141. The next prime is 30231304217. The reversal of 30231304189 is 98140313203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28522143225 + 1709160964 = 168885^2 + 41342^2 .

It is a cyclic number.

It is not a de Polignac number, because 30231304189 - 2²⁹ = 29694433277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30231304109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115652094 + 15115652095.

It is an arithmetic number, because the mean of its divisors is an integer number (15115652095).

Almost surely, 2^30231304189 is an apocalyptic number.

It is an amenable number.

30231304189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231304189 is an equidigital number, since it uses as much as digits as its factorization.

30231304189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 30231304189 in words is "thirty billion, two hundred thirty-one million, three hundred four thousand, one hundred eighty-nine".