2340431111 has 4 divisors (see below), whose sum is σ = 2342527512. Its totient is φ = 2338334712.

The previous prime is 2340431083. The next prime is 2340431113. The reversal of 2340431111 is 1111340432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2340431111 - 2¹⁸ = 2340168967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340431113) 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 3 ways as a sum of consecutive naturals, for example, 1046525 + ... + 1048758.

It is an arithmetic number, because the mean of its divisors is an integer number (585631878).

Almost surely, 2^2340431111 is an apocalyptic number.

2340431111 is a deficient number, since it is larger than the sum of its proper divisors (2096401).

2340431111 is a wasteful number, since it uses less digits than its factorization.

2340431111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096400.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2340431111 is about 48378.0023461077. The cubic root of 2340431111 is about 1327.6959204760.

Adding to 2340431111 its reverse (1111340432), we get a palindrome (3451771543).

The spelling of 2340431111 in words is "two billion, three hundred forty million, four hundred thirty-one thousand, one hundred eleven".