343028646820343 has 12 divisors (see below), whose sum is σ = 377048475622224. Its totient is φ = 311843844866400.

The previous prime is 343028646820333. The next prime is 343028646820367.

343028646820343 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 343028646820343 - 2²⁰ = 343028645771767 is a prime.

It is a super-2 number, since 2×343028646820343² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343028646820313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162259955 + ... + 164360427.

It is an arithmetic number, because the mean of its divisors is an integer number (31420706301852).

Almost surely, 2^{343028646820343} is an apocalyptic number.

343028646820343 is a deficient number, since it is larger than the sum of its proper divisors (34019828801881).

343028646820343 is a wasteful number, since it uses less digits than its factorization.

343028646820343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450166 (or 3450155 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 56.

The spelling of 343028646820343 in words is "three hundred forty-three trillion, twenty-eight billion, six hundred forty-six million, eight hundred twenty thousand, three hundred forty-three".