2113332013 has 4 divisors (see below), whose sum is σ = 2275896028. Its totient is φ = 1950768000.

The previous prime is 2113331963. The next prime is 2113332037. The reversal of 2113332013 is 3102333112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 994897764 + 1118434249 = 31542^2 + 33443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113332013 - 2⁹ = 2113331501 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 (2113332043) 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, 81281988 + ... + 81282013.

It is an arithmetic number, because the mean of its divisors is an integer number (568974007).

Almost surely, 2^2113332013 is an apocalyptic number.

It is an amenable number.

2113332013 is a deficient number, since it is larger than the sum of its proper divisors (162564015).

2113332013 is a wasteful number, since it uses less digits than its factorization.

2113332013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162564014.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2113332013 is about 45970.9909943216. The cubic root of 2113332013 is about 1283.2834024238.

Adding to 2113332013 its reverse (3102333112), we get a palindrome (5215665125).

The spelling of 2113332013 in words is "two billion, one hundred thirteen million, three hundred thirty-two thousand, thirteen".