343111343 has 2 divisors, whose sum is σ = 343111344. Its totient is φ = 343111342.

The previous prime is 343111337. The next prime is 343111361.

343111343 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 343111343 - 2¹⁰ = 343110319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343111543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171555671 + 171555672.

It is an arithmetic number, because the mean of its divisors is an integer number (171555672).

Almost surely, 2^343111343 is an apocalyptic number.

343111343 is a deficient number, since it is larger than the sum of its proper divisors (1).

343111343 is an equidigital number, since it uses as much as digits as its factorization.

343111343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 343111343 is about 18523.2649119965. The cubic root of 343111343 is about 700.0757353431.

The spelling of 343111343 in words is "three hundred forty-three million, one hundred eleven thousand, three hundred forty-three".