201013103 has 6 divisors (see below), whose sum is σ = 212149944. Its totient is φ = 190433124.

The previous prime is 201013097. The next prime is 201013139. The reversal of 201013103 is 301310102.

It is a de Polignac number, because none of the positive numbers 2^k-201013103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201013403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278051 + ... + 278772.

It is an arithmetic number, because the mean of its divisors is an integer number (35358324).

Almost surely, 2^201013103 is an apocalyptic number.

201013103 is a deficient number, since it is larger than the sum of its proper divisors (11136841).

201013103 is an equidigital number, since it uses as much as digits as its factorization.

201013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556861 (or 556842 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 201013103 is about 14177.9089784072. The cubic root of 201013103 is about 585.7893287294.

Adding to 201013103 its reverse (301310102), we get a palindrome (502323205).

The spelling of 201013103 in words is "two hundred one million, thirteen thousand, one hundred three".