203113100189 has 2 divisors, whose sum is σ = 203113100190. Its totient is φ = 203113100188.

The previous prime is 203113100147. The next prime is 203113100231. The reversal of 203113100189 is 981001311302.

It is a balanced prime because it is at equal distance from previous prime (203113100147) and next prime (203113100231).

It can be written as a sum of positive squares in only one way, i.e., 130284902500 + 72828197689 = 360950^2 + 269867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203113100189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203113180189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101556550094 + 101556550095.

It is an arithmetic number, because the mean of its divisors is an integer number (101556550095).

Almost surely, 2^203113100189 is an apocalyptic number.

It is an amenable number.

203113100189 is a deficient number, since it is larger than the sum of its proper divisors (1).

203113100189 is an equidigital number, since it uses as much as digits as its factorization.

203113100189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 203113100189 in words is "two hundred three billion, one hundred thirteen million, one hundred thousand, one hundred eighty-nine".