2321231 has 8 divisors (see below), whose sum is σ = 2681424. Its totient is φ = 1985920.

The previous prime is 2321219. The next prime is 2321239. The reversal of 2321231 is 1321232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2321231 - 2⁶ = 2321167 is a prime.

It is a super-2 number, since 2×2321231² = 10776226710722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6020 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (335178).

2^2321231 is an apocalyptic number.

2321231 is a deficient number, since it is larger than the sum of its proper divisors (360193).

2321231 is a wasteful number, since it uses less digits than its factorization.

2321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12441.

The product of its digits is 72, while the sum is 14.

The square root of 2321231 is about 1523.5586631305. The cubic root of 2321231 is about 132.4055289568.

Adding to 2321231 its reverse (1321232), we get a palindrome (3642463).

Subtracting from 2321231 its reverse (1321232), we obtain a palindrome (999999).

It can be divided in two parts, 2321 and 231, that added together give a palindrome (2552).

The spelling of 2321231 in words is "two million, three hundred twenty-one thousand, two hundred thirty-one".