2231112213 has 48 divisors (see below), whose sum is σ = 3591107520. Its totient is φ = 1323475200.

The previous prime is 2231112209. The next prime is 2231112227. The reversal of 2231112213 is 3122111322.

It is not a de Polignac number, because 2231112213 - 2² = 2231112209 is a prime.

It is a super-3 number, since 3×2231112213³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231112203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1003443 + ... + 1005663.

It is an arithmetic number, because the mean of its divisors is an integer number (74814740).

Almost surely, 2^2231112213 is an apocalyptic number.

It is an amenable number.

2231112213 is a deficient number, since it is larger than the sum of its proper divisors (1359995307).

2231112213 is a wasteful number, since it uses less digits than its factorization.

2231112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450 (or 2447 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2231112213 is about 47234.6505544394. The cubic root of 2231112213 is about 1306.6937218977.

Adding to 2231112213 its reverse (3122111322), we get a palindrome (5353223535).

The spelling of 2231112213 in words is "two billion, two hundred thirty-one million, one hundred twelve thousand, two hundred thirteen".