30303012109 has 2 divisors, whose sum is σ = 30303012110. Its totient is φ = 30303012108.

The previous prime is 30303012097. The next prime is 30303012127. The reversal of 30303012109 is 90121030303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15903732100 + 14399280009 = 126110^2 + 119997^2 .

It is a cyclic number.

It is not a de Polignac number, because 30303012109 - 2⁹ = 30303011597 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30303012109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30303012149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151506054 + 15151506055.

It is an arithmetic number, because the mean of its divisors is an integer number (15151506055).

Almost surely, 2^30303012109 is an apocalyptic number.

It is an amenable number.

30303012109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30303012109 is an equidigital number, since it uses as much as digits as its factorization.

30303012109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The spelling of 30303012109 in words is "thirty billion, three hundred three million, twelve thousand, one hundred nine".