2113112303 has 16 divisors (see below), whose sum is σ = 2325196800. Its totient is φ = 1912753440.

The previous prime is 2113112237. The next prime is 2113112329. The reversal of 2113112303 is 3032113112.

It is a cyclic number.

It is not a de Polignac number, because 2113112303 - 2¹⁰ = 2113111279 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 (2113112383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23825 + ... + 69237.

It is an arithmetic number, because the mean of its divisors is an integer number (145324800).

Almost surely, 2^2113112303 is an apocalyptic number.

2113112303 is a deficient number, since it is larger than the sum of its proper divisors (212084497).

2113112303 is a wasteful number, since it uses less digits than its factorization.

2113112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45542.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2113112303 is about 45968.6012730429. The cubic root of 2113112303 is about 1283.2389292150.

Adding to 2113112303 its reverse (3032113112), we get a palindrome (5145225415).

The spelling of 2113112303 in words is "two billion, one hundred thirteen million, one hundred twelve thousand, three hundred three".