343405234111 has 2 divisors, whose sum is σ = 343405234112. Its totient is φ = 343405234110.

The previous prime is 343405234103. The next prime is 343405234127. The reversal of 343405234111 is 111432504343.

It is a weak prime.

It is an emirp because it is prime and its reverse (111432504343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343405234111 - 2³ = 343405234103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343405234411) 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 as a sum of consecutive naturals, namely, 171702617055 + 171702617056.

It is an arithmetic number, because the mean of its divisors is an integer number (171702617056).

Almost surely, 2^343405234111 is an apocalyptic number.

343405234111 is a deficient number, since it is larger than the sum of its proper divisors (1).

343405234111 is an equidigital number, since it uses as much as digits as its factorization.

343405234111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 343405234111 its reverse (111432504343), we get a palindrome (454837738454).

The spelling of 343405234111 in words is "three hundred forty-three billion, four hundred five million, two hundred thirty-four thousand, one hundred eleven".