2232311312 has 80 divisors (see below), whose sum is σ = 5401689984. Its totient is φ = 868224000.

The previous prime is 2232311267. The next prime is 2232311317. The reversal of 2232311312 is 2131132322.

It is a super-3 number, since 3×2232311312³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2232311317) 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, 936362 + ... + 938742.

Almost surely, 2^2232311312 is an apocalyptic number.

2232311312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2232311312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2700844992).

2232311312 is an abundant number, since it is smaller than the sum of its proper divisors (3169378672).

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

2232311312 is a wasteful number, since it uses less digits than its factorization.

2232311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168 (or 3162 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 2232311312 is about 47247.3418511560. The cubic root of 2232311312 is about 1306.9277717602.

Adding to 2232311312 its reverse (2131132322), we get a palindrome (4363443634).

The spelling of 2232311312 in words is "two billion, two hundred thirty-two million, three hundred eleven thousand, three hundred twelve".