2213231311 has 8 divisors (see below), whose sum is σ = 2231000064. Its totient is φ = 2195503800.

The previous prime is 2213231303. The next prime is 2213231333. The reversal of 2213231311 is 1131323122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2213231311 - 2³ = 2213231303 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 (2213231011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102330 + ... + 122056.

It is an arithmetic number, because the mean of its divisors is an integer number (278875008).

Almost surely, 2^2213231311 is an apocalyptic number.

2213231311 is a deficient number, since it is larger than the sum of its proper divisors (17768753).

2213231311 is a wasteful number, since it uses less digits than its factorization.

2213231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20621.

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

The square root of 2213231311 is about 47044.9924115203. The cubic root of 2213231311 is about 1303.1935901888.

Adding to 2213231311 its reverse (1131323122), we get a palindrome (3344554433).

The spelling of 2213231311 in words is "two billion, two hundred thirteen million, two hundred thirty-one thousand, three hundred eleven".