343512505215343 has 8 divisors (see below), whose sum is σ = 350917339942800. Its totient is φ = 336141872958528.

The previous prime is 343512505215289. The next prime is 343512505215391.

343512505215343 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343512505215343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343512505215293 and 343512505215302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343512505215643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8550597358 + ... + 8550637531.

It is an arithmetic number, because the mean of its divisors is an integer number (43864667492850).

Almost surely, 2^{343512505215343} is an apocalyptic number.

343512505215343 is a deficient number, since it is larger than the sum of its proper divisors (7404834727457).

343512505215343 is a wasteful number, since it uses less digits than its factorization.

343512505215343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17101235321.

The product of its (nonzero) digits is 3240000, while the sum is 46.

It can be divided in two parts, 34351250 and 5215343, that added together give a palindrome (39566593).

The spelling of 343512505215343 in words is "three hundred forty-three trillion, five hundred twelve billion, five hundred five million, two hundred fifteen thousand, three hundred forty-three".