2321132331 has 16 divisors (see below), whose sum is σ = 3690745344. Its totient is φ = 1268693184.

The previous prime is 2321132329. The next prime is 2321132339. The reversal of 2321132331 is 1332311232.

2321132331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2321132331 - 2¹ = 2321132329 is a prime.

It is a super-2 number, since 2×2321132331² = 10775310596026987122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2321132298 and 2321132307.

It is not an unprimeable number, because it can be changed into a prime (2321132339) 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, 2402346 + ... + 2403311.

It is an arithmetic number, because the mean of its divisors is an integer number (230671584).

Almost surely, 2^2321132331 is an apocalyptic number.

2321132331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2321132331 is a deficient number, since it is larger than the sum of its proper divisors (1369613013).

2321132331 is a wasteful number, since it uses less digits than its factorization.

2321132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805690.

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

The square root of 2321132331 is about 48178.1312526752. The cubic root of 2321132331 is about 1324.0365286804.

Adding to 2321132331 its reverse (1332311232), we get a palindrome (3653443563).

The spelling of 2321132331 in words is "two billion, three hundred twenty-one million, one hundred thirty-two thousand, three hundred thirty-one".