2113204003 has 8 divisors (see below), whose sum is σ = 2149862400. Its totient is φ = 2076573768.

The previous prime is 2113203949. The next prime is 2113204007. The reversal of 2113204003 is 3004023112.

It is a happy number.

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 2113204003 - 2¹⁷ = 2113072931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113204007) 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, 192850 + ... + 203512.

It is an arithmetic number, because the mean of its divisors is an integer number (268732800).

Almost surely, 2^2113204003 is an apocalyptic number.

2113204003 is a deficient number, since it is larger than the sum of its proper divisors (36658397).

2113204003 is a wasteful number, since it uses less digits than its factorization.

2113204003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2113204003 is about 45969.5986821725. The cubic root of 2113204003 is about 1283.2574912996.

Adding to 2113204003 its reverse (3004023112), we get a palindrome (5117227115).

It can be divided in two parts, 2113 and 204003, that added together give a square (206116 = 454²).

The spelling of 2113204003 in words is "two billion, one hundred thirteen million, two hundred four thousand, three".