343321320040303 has 16 divisors (see below), whose sum is σ = 376700897834496. Its totient is φ = 310303201724640.

The previous prime is 343321320040301. The next prime is 343321320040339. The reversal of 343321320040303 is 303040023123343.

It is a cyclic number.

It is not a de Polignac number, because 343321320040303 - 2¹ = 343321320040301 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 (343321320040301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210662950 + ... + 212286412.

It is an arithmetic number, because the mean of its divisors is an integer number (23543806114656).

Almost surely, 2^{343321320040303} is an apocalyptic number.

343321320040303 is a deficient number, since it is larger than the sum of its proper divisors (33379577794193).

343321320040303 is a wasteful number, since it uses less digits than its factorization.

343321320040303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734774.

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

Adding to 343321320040303 its reverse (303040023123343), we get a palindrome (646361343163646).

The spelling of 343321320040303 in words is "three hundred forty-three trillion, three hundred twenty-one billion, three hundred twenty million, forty thousand, three hundred three".