30310030109 has 2 divisors, whose sum is σ = 30310030110. Its totient is φ = 30310030108.

The previous prime is 30310030073. The next prime is 30310030123. The reversal of 30310030109 is 90103001303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23280046084 + 7029984025 = 152578^2 + 83845^2 .

It is a cyclic number.

It is not a de Polignac number, because 30310030109 - 2⁸ = 30310029853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30310030199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155015054 + 15155015055.

It is an arithmetic number, because the mean of its divisors is an integer number (15155015055).

Almost surely, 2^30310030109 is an apocalyptic number.

It is an amenable number.

30310030109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30310030109 is an equidigital number, since it uses as much as digits as its factorization.

30310030109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 20.

The spelling of 30310030109 in words is "thirty billion, three hundred ten million, thirty thousand, one hundred nine".