203030130109 has 2 divisors, whose sum is σ = 203030130110. Its totient is φ = 203030130108.

The previous prime is 203030130089. The next prime is 203030130131. The reversal of 203030130109 is 901031030302.

It is an a-pointer prime, because the next prime (203030130131) can be obtained adding 203030130109 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199342604484 + 3687525625 = 446478^2 + 60725^2 .

It is a cyclic number.

It is not a de Polignac number, because 203030130109 - 2²³ = 203021741501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203030130109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203030130139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101515065054 + 101515065055.

It is an arithmetic number, because the mean of its divisors is an integer number (101515065055).

Almost surely, 2^203030130109 is an apocalyptic number.

It is an amenable number.

203030130109 is a deficient number, since it is larger than the sum of its proper divisors (1).

203030130109 is an equidigital number, since it uses as much as digits as its factorization.

203030130109 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 203030130109 in words is "two hundred three billion, thirty million, one hundred thirty thousand, one hundred nine".