2321331232 has 144 divisors (see below), whose sum is σ = 5579491680. Its totient is φ = 940032000.

The previous prime is 2321331217. The next prime is 2321331263.

2321331232 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1932232 + ... + 1933432.

It is an arithmetic number, because the mean of its divisors is an integer number (38746470).

Almost surely, 2^2321331232 is an apocalyptic number.

2321331232 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 2321331232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2789745840).

2321331232 is an abundant number, since it is smaller than the sum of its proper divisors (3258160448).

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

2321331232 is a wasteful number, since it uses less digits than its factorization.

2321331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1250 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 2321331232 is about 48180.1954333936. The cubic root of 2321331232 is about 1324.0743470997.

It can be divided in two parts, 23213 and 31232, that added together give a palindrome (54445).

The spelling of 2321331232 in words is "two billion, three hundred twenty-one million, three hundred thirty-one thousand, two hundred thirty-two".