2031343 has 4 divisors (see below), whose sum is σ = 2039688. Its totient is φ = 2023000.

The previous prime is 2031319. The next prime is 2031353. The reversal of 2031343 is 3431302.

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-2031343 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 (2031353) 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, 3796 + ... + 4297.

It is an arithmetic number, because the mean of its divisors is an integer number (509922).

2^2031343 is an apocalyptic number.

2031343 is a deficient number, since it is larger than the sum of its proper divisors (8345).

2031343 is an equidigital number, since it uses as much as digits as its factorization.

2031343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2031343 is about 1425.2519075588. The cubic root of 2031343 is about 126.6468582444.

Adding to 2031343 its reverse (3431302), we get a palindrome (5462645).

The spelling of 2031343 in words is "two million, thirty-one thousand, three hundred forty-three".