2013043103 has 4 divisors (see below), whose sum is σ = 2118992760. Its totient is φ = 1907093448.

The previous prime is 2013043093. The next prime is 2013043157. The reversal of 2013043103 is 3013403102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2013043103 - 2¹⁰ = 2013042079 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 (2013043183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52974800 + ... + 52974837.

It is an arithmetic number, because the mean of its divisors is an integer number (529748190).

Almost surely, 2^2013043103 is an apocalyptic number.

2013043103 is a deficient number, since it is larger than the sum of its proper divisors (105949657).

2013043103 is a wasteful number, since it uses less digits than its factorization.

2013043103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105949656.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2013043103 is about 44866.9488933669. The cubic root of 2013043103 is about 1262.6539974617.

Adding to 2013043103 its reverse (3013403102), we get a palindrome (5026446205).

The spelling of 2013043103 in words is "two billion, thirteen million, forty-three thousand, one hundred three".