111000343 has 2 divisors, whose sum is σ = 111000344. Its totient is φ = 111000342.

The previous prime is 111000341. The next prime is 111000347. The reversal of 111000343 is 343000111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111000343 - 2¹ = 111000341 is a prime.

It is a super-2 number, since 2×111000343² = 24642152292235298, which contains 22 as substring.

Together with 111000341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111000341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500171 + 55500172.

It is an arithmetic number, because the mean of its divisors is an integer number (55500172).

Almost surely, 2^111000343 is an apocalyptic number.

111000343 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000343 is an equidigital number, since it uses as much as digits as its factorization.

111000343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 111000343 is about 10535.6700308998. The cubic root of 111000343 is about 480.5900483917.

Adding to 111000343 its reverse (343000111), we get a palindrome (454000454).

The spelling of 111000343 in words is "one hundred eleven million, three hundred forty-three", and thus it is an aban number.