2031340343 has 4 divisors (see below), whose sum is σ = 2031432600. Its totient is φ = 2031248088.

The previous prime is 2031340327. The next prime is 2031340349. The reversal of 2031340343 is 3430431302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2031340343 - 2⁴ = 2031340327 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 (2031340349) 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, 8333 + ... + 64281.

It is an arithmetic number, because the mean of its divisors is an integer number (507858150).

Almost surely, 2^2031340343 is an apocalyptic number.

2031340343 is a deficient number, since it is larger than the sum of its proper divisors (92257).

2031340343 is an equidigital number, since it uses as much as digits as its factorization.

2031340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92256.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 2031340343 is about 45070.3931977523. The cubic root of 2031340343 is about 1266.4680302630.

Adding to 2031340343 its reverse (3430431302), we get a palindrome (5461771645).

The spelling of 2031340343 in words is "two billion, thirty-one million, three hundred forty thousand, three hundred forty-three".