30013243109 has 2 divisors, whose sum is σ = 30013243110. Its totient is φ = 30013243108.

The previous prime is 30013243067. The next prime is 30013243133. The reversal of 30013243109 is 90134231003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26259230209 + 3754012900 = 162047^2 + 61270^2 .

It is a cyclic number.

It is not a de Polignac number, because 30013243109 - 2¹² = 30013239013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30013243709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006621554 + 15006621555.

It is an arithmetic number, because the mean of its divisors is an integer number (15006621555).

Almost surely, 2^30013243109 is an apocalyptic number.

It is an amenable number.

30013243109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013243109 is an equidigital number, since it uses as much as digits as its factorization.

30013243109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 30013243109 in words is "thirty billion, thirteen million, two hundred forty-three thousand, one hundred nine".