2321431 has 8 divisors (see below), whose sum is σ = 2662304. Its totient is φ = 1982880.

The previous prime is 2321399. The next prime is 2321443. The reversal of 2321431 is 1341232.

It is a happy number.

2321431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2321431 - 2⁵ = 2321399 is a prime.

It is a super-2 number, since 2×2321431² = 10778083775522, 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 (2321531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3481 + ... + 4093.

It is an arithmetic number, because the mean of its divisors is an integer number (332788).

2^2321431 is an apocalyptic number.

2321431 is a deficient number, since it is larger than the sum of its proper divisors (340873).

2321431 is an equidigital number, since it uses as much as digits as its factorization.

2321431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its digits is 144, while the sum is 16.

The square root of 2321431 is about 1523.6242975222. The cubic root of 2321431 is about 132.4093315864.

Adding to 2321431 its reverse (1341232), we get a palindrome (3662663).

The spelling of 2321431 in words is "two million, three hundred twenty-one thousand, four hundred thirty-one".