2003101189 has 2 divisors, whose sum is σ = 2003101190. Its totient is φ = 2003101188.

The previous prime is 2003101187. The next prime is 2003101193. The reversal of 2003101189 is 9811013002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1415038689 + 588062500 = 37617^2 + 24250^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003101189 - 2¹ = 2003101187 is a prime.

Together with 2003101187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003101187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001550594 + 1001550595.

It is an arithmetic number, because the mean of its divisors is an integer number (1001550595).

Almost surely, 2^2003101189 is an apocalyptic number.

It is an amenable number.

2003101189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003101189 is an equidigital number, since it uses as much as digits as its factorization.

2003101189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 2003101189 is about 44756.0184667939. The cubic root of 2003101189 is about 1260.5719224810.

The spelling of 2003101189 in words is "two billion, three million, one hundred one thousand, one hundred eighty-nine".