2001304343 has 4 divisors (see below), whose sum is σ = 2002485360. Its totient is φ = 2000123328.

The previous prime is 2001304307. The next prime is 2001304351. The reversal of 2001304343 is 3434031002.

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 2001304343 - 2⁸ = 2001304087 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 (2001304363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587963 + ... + 591356.

It is an arithmetic number, because the mean of its divisors is an integer number (500621340).

Almost surely, 2^2001304343 is an apocalyptic number.

2001304343 is a deficient number, since it is larger than the sum of its proper divisors (1181017).

2001304343 is a wasteful number, since it uses less digits than its factorization.

2001304343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181016.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2001304343 is about 44735.9401711867. The cubic root of 2001304343 is about 1260.1948852413.

Adding to 2001304343 its reverse (3434031002), we get a palindrome (5435335345).

The spelling of 2001304343 in words is "two billion, one million, three hundred four thousand, three hundred forty-three".