321332043343 has 4 divisors (see below), whose sum is σ = 322676529120. Its totient is φ = 319987557568.

The previous prime is 321332043281. The next prime is 321332043367. The reversal of 321332043343 is 343340233123.

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 321332043343 - 2²⁹ = 320795172431 is a prime.

It is a super-3 number, since 3×321332043343³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321332041343) 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, 672242530 + ... + 672243007.

It is an arithmetic number, because the mean of its divisors is an integer number (80669132280).

Almost surely, 2^321332043343 is an apocalyptic number.

321332043343 is a deficient number, since it is larger than the sum of its proper divisors (1344485777).

321332043343 is a wasteful number, since it uses less digits than its factorization.

321332043343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344485776.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 321332043343 its reverse (343340233123), we get a palindrome (664672276466).

The spelling of 321332043343 in words is "three hundred twenty-one billion, three hundred thirty-two million, forty-three thousand, three hundred forty-three".