3111132223 has 4 divisors (see below), whose sum is σ = 3117104208. Its totient is φ = 3105160240.

The previous prime is 3111132169. The next prime is 3111132247. The reversal of 3111132223 is 3222311113.

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 3111132223 - 2²¹ = 3109035071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3111132223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111132623) 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 3 ways as a sum of consecutive naturals, for example, 2985211 + ... + 2986252.

It is an arithmetic number, because the mean of its divisors is an integer number (779276052).

Almost surely, 2^3111132223 is an apocalyptic number.

3111132223 is a deficient number, since it is larger than the sum of its proper divisors (5971985).

3111132223 is an equidigital number, since it uses as much as digits as its factorization.

3111132223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971984.

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

The square root of 3111132223 is about 55777.5243534526. The cubic root of 3111132223 is about 1459.8430154285.

Adding to 3111132223 its reverse (3222311113), we get a palindrome (6333443336).

The spelling of 3111132223 in words is "three billion, one hundred eleven million, one hundred thirty-two thousand, two hundred twenty-three".