2340431 has 2 divisors, whose sum is σ = 2340432. Its totient is φ = 2340430.

The previous prime is 2340421. The next prime is 2340451. The reversal of 2340431 is 1340432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2340431 - 2⁶ = 2340367 is a prime.

It is a super-2 number, since 2×2340431² = 10955234531522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340421) 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 as a sum of consecutive naturals, namely, 1170215 + 1170216.

It is an arithmetic number, because the mean of its divisors is an integer number (1170216).

2^2340431 is an apocalyptic number.

2340431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340431 is an equidigital number, since it uses as much as digits as its factorization.

2340431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2340431 is about 1529.8467243486. The cubic root of 2340431 is about 132.7695899486.

Adding to 2340431 its reverse (1340432), we get a palindrome (3680863).

Subtracting from 2340431 its reverse (1340432), we obtain a palindrome (999999).

The spelling of 2340431 in words is "two million, three hundred forty thousand, four hundred thirty-one".