2231111323 has 16 divisors (see below), whose sum is σ = 2671396864. Its totient is φ = 1823057280.

The previous prime is 2231111321. The next prime is 2231111329. The reversal of 2231111323 is 3231111322.

2231111323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2231111323 - 2¹ = 2231111321 is a prime.

It is a super-3 number, since 3×2231111323³ (a number of 29 digits) contains 333 as substring.

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 2231111323.

It is not an unprimeable number, because it can be changed into a prime (2231111321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62190 + ... + 91267.

It is an arithmetic number, because the mean of its divisors is an integer number (166962304).

Almost surely, 2^2231111323 is an apocalyptic number.

2231111323 is a deficient number, since it is larger than the sum of its proper divisors (440285541).

2231111323 is a wasteful number, since it uses less digits than its factorization.

2231111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153562.

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

The square root of 2231111323 is about 47234.6411333885. The cubic root of 2231111323 is about 1306.6935481492.

Adding to 2231111323 its reverse (3231111322), we get a palindrome (5462222645).

Subtracting 2231111323 from its reverse (3231111322), we obtain a palindrome (999999999).

The spelling of 2231111323 in words is "two billion, two hundred thirty-one million, one hundred eleven thousand, three hundred twenty-three".