343313121313343 has 4 divisors (see below), whose sum is σ = 343580707535448. Its totient is φ = 343045535091240.

The previous prime is 343313121313339. The next prime is 343313121313373.

343313121313343 is nontrivially palindromic in base 10.

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 343313121313343 - 2² = 343313121313339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343313121313297 and 343313121313306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343313121313373) 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 3 ways as a sum of consecutive naturals, for example, 133793109128 + ... + 133793111693.

It is an arithmetic number, because the mean of its divisors is an integer number (85895176883862).

Almost surely, 2^{343313121313343} is an apocalyptic number.

343313121313343 is a deficient number, since it is larger than the sum of its proper divisors (267586222105).

343313121313343 is a wasteful number, since it uses less digits than its factorization.

343313121313343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267586222104.

The product of its digits is 209952, while the sum is 38.

The spelling of 343313121313343 in words is "three hundred forty-three trillion, three hundred thirteen billion, one hundred twenty-one million, three hundred thirteen thousand, three hundred forty-three".