343253332321 has 16 divisors (see below), whose sum is σ = 377182477440. Its totient is φ = 310922029440.

The previous prime is 343253332319. The next prime is 343253332333. The reversal of 343253332321 is 123233352343.

It is a cyclic number.

It is not a de Polignac number, because 343253332321 - 2¹ = 343253332319 is a prime.

It is a super-3 number, since 3×343253332321³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343253332021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921891 + ... + 1239511.

It is an arithmetic number, because the mean of its divisors is an integer number (23573904840).

Almost surely, 2^343253332321 is an apocalyptic number.

It is an amenable number.

343253332321 is a deficient number, since it is larger than the sum of its proper divisors (33929145119).

343253332321 is a wasteful number, since it uses less digits than its factorization.

343253332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320136.

The product of its digits is 116640, while the sum is 34.

Adding to 343253332321 its reverse (123233352343), we get a palindrome (466486684664).

The spelling of 343253332321 in words is "three hundred forty-three billion, two hundred fifty-three million, three hundred thirty-two thousand, three hundred twenty-one".