2013111343 has 4 divisors (see below), whose sum is σ = 2013967800. Its totient is φ = 2012254888.

The previous prime is 2013111337. The next prime is 2013111361. The reversal of 2013111343 is 3431113102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431113102 = 2 ⋅1715556551.

It is a cyclic number.

It is not a de Polignac number, because 2013111343 - 2²⁵ = 1979556911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013111343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013111323) 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, 424693 + ... + 429406.

It is an arithmetic number, because the mean of its divisors is an integer number (503491950).

Almost surely, 2^2013111343 is an apocalyptic number.

2013111343 is a deficient number, since it is larger than the sum of its proper divisors (856457).

2013111343 is an equidigital number, since it uses as much as digits as its factorization.

2013111343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856456.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2013111343 is about 44867.7093576215. The cubic root of 2013111343 is about 1262.6682648388.

Adding to 2013111343 its reverse (3431113102), we get a palindrome (5444224445).

The spelling of 2013111343 in words is "two billion, thirteen million, one hundred eleven thousand, three hundred forty-three".