343103403 has 8 divisors (see below), whose sum is σ = 461913088. Its totient is φ = 226514664.

The previous prime is 343103393. The next prime is 343103413. The reversal of 343103403 is 304301343.

It is an interprime number because it is at equal distance from previous prime (343103393) and next prime (343103413).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343103403 - 2⁶ = 343103339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343103403.

It is not an unprimeable number, because it can be changed into a prime (343103413) 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 in 7 ways as a sum of consecutive naturals, for example, 554875 + ... + 555492.

It is an arithmetic number, because the mean of its divisors is an integer number (57739136).

Almost surely, 2^343103403 is an apocalyptic number.

343103403 is a deficient number, since it is larger than the sum of its proper divisors (118809685).

343103403 is a wasteful number, since it uses less digits than its factorization.

343103403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110473.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 343103403 is about 18523.0505856892. The cubic root of 343103403 is about 700.0703351095.

Adding to 343103403 its reverse (304301343), we get a palindrome (647404746).

The spelling of 343103403 in words is "three hundred forty-three million, one hundred three thousand, four hundred three".