103203202189 has 2 divisors, whose sum is σ = 103203202190. Its totient is φ = 103203202188.

The previous prime is 103203202171. The next prime is 103203202199. The reversal of 103203202189 is 981202302301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77906299689 + 25296902500 = 279117^2 + 159050^2 .

It is a cyclic number.

It is not a de Polignac number, because 103203202189 - 2²¹ = 103201105037 is a prime.

It is a super-2 number, since 2×103203202189² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103203202189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103203202199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51601601094 + 51601601095.

It is an arithmetic number, because the mean of its divisors is an integer number (51601601095).

Almost surely, 2^103203202189 is an apocalyptic number.

It is an amenable number.

103203202189 is a deficient number, since it is larger than the sum of its proper divisors (1).

103203202189 is an equidigital number, since it uses as much as digits as its factorization.

103203202189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 103203202189 in words is "one hundred three billion, two hundred three million, two hundred two thousand, one hundred eighty-nine".