2331240343 has 4 divisors (see below), whose sum is σ = 2331513448. Its totient is φ = 2330967240.

The previous prime is 2331240319. The next prime is 2331240383. The reversal of 2331240343 is 3430421332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2331240343 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 (2331240383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123321 + ... + 140962.

It is an arithmetic number, because the mean of its divisors is an integer number (582878362).

Almost surely, 2^2331240343 is an apocalyptic number.

2331240343 is a deficient number, since it is larger than the sum of its proper divisors (273105).

2331240343 is an equidigital number, since it uses as much as digits as its factorization.

2331240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273104.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 2331240343 is about 48282.9197853651. The cubic root of 2331240343 is about 1325.9557064601.

Adding to 2331240343 its reverse (3430421332), we get a palindrome (5761661675).

The spelling of 2331240343 in words is "two billion, three hundred thirty-one million, two hundred forty thousand, three hundred forty-three".