2013311111 has 4 divisors (see below), whose sum is σ = 2300926992. Its totient is φ = 1725695232.

The previous prime is 2013311107. The next prime is 2013311119. The reversal of 2013311111 is 1111133102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2013311111 - 2² = 2013311107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013311119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143807930 + ... + 143807943.

It is an arithmetic number, because the mean of its divisors is an integer number (575231748).

Almost surely, 2^2013311111 is an apocalyptic number.

2013311111 is a deficient number, since it is larger than the sum of its proper divisors (287615881).

2013311111 is an equidigital number, since it uses as much as digits as its factorization.

2013311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287615880.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 2013311111 is about 44869.9354913733. The cubic root of 2013311111 is about 1262.7100297701.

Adding to 2013311111 its reverse (1111133102), we get a palindrome (3124444213).

The spelling of 2013311111 in words is "two billion, thirteen million, three hundred eleven thousand, one hundred eleven".