343143103 has 4 divisors (see below), whose sum is σ = 345762648. Its totient is φ = 340523560.

The previous prime is 343143091. The next prime is 343143107. The reversal of 343143103 is 301341343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343143103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343143107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309576 + ... + 1309837.

It is an arithmetic number, because the mean of its divisors is an integer number (86440662).

Almost surely, 2^343143103 is an apocalyptic number.

343143103 is a deficient number, since it is larger than the sum of its proper divisors (2619545).

343143103 is a wasteful number, since it uses less digits than its factorization.

343143103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619544.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 343143103 is about 18524.1221924279. The cubic root of 343143103 is about 700.0973354444.

Adding to 343143103 its reverse (301341343), we get a palindrome (644484446).

The spelling of 343143103 in words is "three hundred forty-three million, one hundred forty-three thousand, one hundred three".