201113903 has 2 divisors, whose sum is σ = 201113904. Its totient is φ = 201113902.

The previous prime is 201113867. The next prime is 201113921. The reversal of 201113903 is 309311102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201113903 - 2¹² = 201109807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201113953) 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, 100556951 + 100556952.

It is an arithmetic number, because the mean of its divisors is an integer number (100556952).

Almost surely, 2^201113903 is an apocalyptic number.

201113903 is a deficient number, since it is larger than the sum of its proper divisors (1).

201113903 is an equidigital number, since it uses as much as digits as its factorization.

201113903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 201113903 is about 14181.4633589062. The cubic root of 201113903 is about 585.8872289761.

The spelling of 201113903 in words is "two hundred one million, one hundred thirteen thousand, nine hundred three".