2231113312 has 24 divisors (see below), whose sum is σ = 4485964896. Its totient is φ = 1091820672.

The previous prime is 2231113279. The next prime is 2231113319. The reversal of 2231113312 is 2133111322.

It is a super-3 number, since 3×2231113312³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2231113312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231113319) 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 3 ways as a sum of consecutive naturals, for example, 740223 + ... + 743230.

It is an arithmetic number, because the mean of its divisors is an integer number (186915204).

Almost surely, 2^2231113312 is an apocalyptic number.

It is an amenable number.

2231113312 is an abundant number, since it is smaller than the sum of its proper divisors (2254851584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231113312 is a wasteful number, since it uses less digits than its factorization.

2231113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483510 (or 1483502 counting only the distinct ones).

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

The square root of 2231113312 is about 47234.6621878468. The cubic root of 2231113312 is about 1306.6939364479.

Adding to 2231113312 its reverse (2133111322), we get a palindrome (4364224634).

The spelling of 2231113312 in words is "two billion, two hundred thirty-one million, one hundred thirteen thousand, three hundred twelve".