2231322312 has 32 divisors (see below), whose sum is σ = 5579510400. Its totient is φ = 743613504.

The previous prime is 2231322221. The next prime is 2231322337. The reversal of 2231322312 is 2132231322.

It is a happy number.

2231322312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2231322312³ (a number of 29 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167514 + ... + 180342.

It is an arithmetic number, because the mean of its divisors is an integer number (174359700).

Almost surely, 2^2231322312 is an apocalyptic number.

It is an amenable number.

2231322312 is an abundant number, since it is smaller than the sum of its proper divisors (3348188088).

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

2231322312 is a wasteful number, since it uses less digits than its factorization.

2231322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20085 (or 20081 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 2231322312 is about 47236.8744944032. The cubic root of 2231322312 is about 1306.7347367820.

Adding to 2231322312 its reverse (2132231322), we get a palindrome (4363553634).

The spelling of 2231322312 in words is "two billion, two hundred thirty-one million, three hundred twenty-two thousand, three hundred twelve".