30243403129 has 2 divisors, whose sum is σ = 30243403130. Its totient is φ = 30243403128.

The previous prime is 30243403103. The next prime is 30243403147. The reversal of 30243403129 is 92130434203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30110231529 + 133171600 = 173523^2 + 11540^2 .

It is an emirp because it is prime and its reverse (92130434203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30243403129 - 2³³ = 21653468537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30243403129.

It is not a weakly prime, because it can be changed into another prime (30243703129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121701564 + 15121701565.

It is an arithmetic number, because the mean of its divisors is an integer number (15121701565).

Almost surely, 2^30243403129 is an apocalyptic number.

It is an amenable number.

30243403129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30243403129 is an equidigital number, since it uses as much as digits as its factorization.

30243403129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 30243403129 in words is "thirty billion, two hundred forty-three million, four hundred three thousand, one hundred twenty-nine".