2312331132 has 24 divisors (see below), whose sum is σ = 5541263056. Its totient is φ = 749945088.

The previous prime is 2312331121. The next prime is 2312331139. The reversal of 2312331132 is 2311332132.

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

It is a junction number, because it is equal to n+sod(n) for n = 2312331099 and 2312331108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312331139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2603533 + ... + 2604420.

Almost surely, 2^2312331132 is an apocalyptic number.

It is an amenable number.

2312331132 is an abundant number, since it is smaller than the sum of its proper divisors (3228931924).

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

2312331132 is a wasteful number, since it uses less digits than its factorization.

2312331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207997 (or 5207995 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 2312331132 is about 48086.7043162661. The cubic root of 2312331132 is about 1322.3609285783.

Adding to 2312331132 its reverse (2311332132), we get a palindrome (4623663264).

The spelling of 2312331132 in words is "two billion, three hundred twelve million, three hundred thirty-one thousand, one hundred thirty-two".