321042232320343 has 16 divisors (see below), whose sum is σ = 333433965672000. Its totient is φ = 308846235785472.

The previous prime is 321042232320283. The next prime is 321042232320349. The reversal of 321042232320343 is 343023232240123.

It is a cyclic number.

It is not a de Polignac number, because 321042232320343 - 2³³ = 321033642385751 is a prime.

It is a super-2 number, since 2×321042232320343² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321042232320299 and 321042232320308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321042232320349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107288638 + ... + 110240356.

It is an arithmetic number, because the mean of its divisors is an integer number (20839622854500).

Almost surely, 2^{321042232320343} is an apocalyptic number.

321042232320343 is a deficient number, since it is larger than the sum of its proper divisors (12391733351657).

321042232320343 is a wasteful number, since it uses less digits than its factorization.

321042232320343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984874.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 321042232320343 its reverse (343023232240123), we get a palindrome (664065464560466).

The spelling of 321042232320343 in words is "three hundred twenty-one trillion, forty-two billion, two hundred thirty-two million, three hundred twenty thousand, three hundred forty-three".