2223311131 has 4 divisors (see below), whose sum is σ = 2229682000. Its totient is φ = 2216940264.

The previous prime is 2223311117. The next prime is 2223311143. The reversal of 2223311131 is 1311133222.

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 2223311131 - 2⁷ = 2223311003 is a prime.

It is a super-2 number, since 2×2223311131² = 9886224770456998322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2223311099 and 2223311108.

It is not an unprimeable number, because it can be changed into a prime (2223311191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3184911 + ... + 3185608.

It is an arithmetic number, because the mean of its divisors is an integer number (557420500).

Almost surely, 2^2223311131 is an apocalyptic number.

2223311131 is a deficient number, since it is larger than the sum of its proper divisors (6370869).

2223311131 is an equidigital number, since it uses as much as digits as its factorization.

2223311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370868.

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

The square root of 2223311131 is about 47152.0002863081. Note that the first 3 decimals coincide. The cubic root of 2223311131 is about 1305.1689922714.

Adding to 2223311131 its reverse (1311133222), we get a palindrome (3534444353).

The spelling of 2223311131 in words is "two billion, two hundred twenty-three million, three hundred eleven thousand, one hundred thirty-one".