213313111 has 12 divisors (see below), whose sum is σ = 235155672. Its totient is φ = 191900000.

The previous prime is 213313099. The next prime is 213313123. The reversal of 213313111 is 111313312.

It is an interprime number because it is at equal distance from previous prime (213313099) and next prime (213313123).

It is not a de Polignac number, because 213313111 - 2⁹ = 213312599 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 (213313141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111261 + ... + 113161.

It is an arithmetic number, because the mean of its divisors is an integer number (19596306).

Almost surely, 2^213313111 is an apocalyptic number.

213313111 is a deficient number, since it is larger than the sum of its proper divisors (21842561).

213313111 is a wasteful number, since it uses less digits than its factorization.

213313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2013 counting only the distinct ones).

The product of its digits is 54, while the sum is 16.

The square root of 213313111 is about 14605.2425861401. The cubic root of 213313111 is about 597.5017521817.

Adding to 213313111 its reverse (111313312), we get a palindrome (324626423).

It can be divided in two parts, 21331 and 3111, that added together give a palindrome (24442).

The spelling of 213313111 in words is "two hundred thirteen million, three hundred thirteen thousand, one hundred eleven".