2321132321 has 16 divisors (see below), whose sum is σ = 2462803200. Its totient is φ = 2181489408.

The previous prime is 2321132311. The next prime is 2321132329. The reversal of 2321132321 is 1232311232.

It is not a de Polignac number, because 2321132321 - 2⁶ = 2321132257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2321132293 and 2321132302.

It is not an unprimeable number, because it can be changed into a prime (2321132329) 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, 1465496 + ... + 1467078.

It is an arithmetic number, because the mean of its divisors is an integer number (153925200).

Almost surely, 2^2321132321 is an apocalyptic number.

It is an amenable number.

2321132321 is a deficient number, since it is larger than the sum of its proper divisors (141670879).

2321132321 is a wasteful number, since it uses less digits than its factorization.

2321132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

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

The square root of 2321132321 is about 48178.1311488937. The cubic root of 2321132321 is about 1324.0365267789.

Adding to 2321132321 its reverse (1232311232), we get a palindrome (3553443553).

The spelling of 2321132321 in words is "two billion, three hundred twenty-one million, one hundred thirty-two thousand, three hundred twenty-one".