2003111113 has 8 divisors (see below), whose sum is σ = 2087313480. Its totient is φ = 1919917440.

The previous prime is 2003111093. The next prime is 2003111137. The reversal of 2003111113 is 3111113002.

It can be written as a sum of positive squares in 4 ways, for example, as 1088472064 + 914639049 = 32992^2 + 30243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2003111113 - 2¹³ = 2003102921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003111093 and 2003111102.

It is not an unprimeable number, because it can be changed into a prime (2003111153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248118 + ... + 256063.

It is an arithmetic number, because the mean of its divisors is an integer number (260914185).

Almost surely, 2^2003111113 is an apocalyptic number.

It is an amenable number.

2003111113 is a deficient number, since it is larger than the sum of its proper divisors (84202367).

2003111113 is a wasteful number, since it uses less digits than its factorization.

2003111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504347.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2003111113 is about 44756.1293344275. The cubic root of 2003111113 is about 1260.5740042356.

Adding to 2003111113 its reverse (3111113002), we get a palindrome (5114224115).

The spelling of 2003111113 in words is "two billion, three million, one hundred eleven thousand, one hundred thirteen".