2013313121111 has 4 divisors (see below), whose sum is σ = 2031783883800. Its totient is φ = 1994842358424.

The previous prime is 2013313121077. The next prime is 2013313121129. The reversal of 2013313121111 is 1111213133102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013313121111 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 (2013313121311) 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, 9235381181 + ... + 9235381398.

It is an arithmetic number, because the mean of its divisors is an integer number (507945970950).

Almost surely, 2^{2013313121111} is an apocalyptic number.

2013313121111 is a deficient number, since it is larger than the sum of its proper divisors (18470762689).

2013313121111 is a wasteful number, since it uses less digits than its factorization.

2013313121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470762688.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 2013313121111 its reverse (1111213133102), we get a palindrome (3124526254213).

The spelling of 2013313121111 in words is "two trillion, thirteen billion, three hundred thirteen million, one hundred twenty-one thousand, one hundred eleven".