30301030189 has 2 divisors, whose sum is σ = 30301030190. Its totient is φ = 30301030188.

The previous prime is 30301030181. The next prime is 30301030223. The reversal of 30301030189 is 98103010303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25500896100 + 4800134089 = 159690^2 + 69283^2 .

It is a cyclic number.

It is not a de Polignac number, because 30301030189 - 2³ = 30301030181 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30301030181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150515094 + 15150515095.

It is an arithmetic number, because the mean of its divisors is an integer number (15150515095).

Almost surely, 2^30301030189 is an apocalyptic number.

It is an amenable number.

30301030189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30301030189 is an equidigital number, since it uses as much as digits as its factorization.

30301030189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 30301030189 in words is "thirty billion, three hundred one million, thirty thousand, one hundred eighty-nine".