30113189 has 2 divisors, whose sum is σ = 30113190. Its totient is φ = 30113188.

The previous prime is 30113179. The next prime is 30113207. The reversal of 30113189 is 98131103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22877089 + 7236100 = 4783^2 + 2690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30113189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30113179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056594 + 15056595.

It is an arithmetic number, because the mean of its divisors is an integer number (15056595).

Almost surely, 2^30113189 is an apocalyptic number.

It is an amenable number.

30113189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113189 is an equidigital number, since it uses as much as digits as its factorization.

30113189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 30113189 is about 5487.5485419265. The cubic root of 30113189 is about 311.1135429751.

The spelling of 30113189 in words is "thirty million, one hundred thirteen thousand, one hundred eighty-nine".