343104203 has 4 divisors (see below), whose sum is σ = 369496848. Its totient is φ = 316711560.

The previous prime is 343104137. The next prime is 343104211. The reversal of 343104203 is 302401343.

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

It is a cyclic number.

It is not a de Polignac number, because 343104203 - 2⁸ = 343103947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343104703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13196303 + ... + 13196328.

It is an arithmetic number, because the mean of its divisors is an integer number (92374212).

Almost surely, 2^343104203 is an apocalyptic number.

343104203 is a deficient number, since it is larger than the sum of its proper divisors (26392645).

343104203 is a wasteful number, since it uses less digits than its factorization.

343104203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26392644.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 343104203 is about 18523.0721803917. The cubic root of 343104203 is about 700.0708792174.

Adding to 343104203 its reverse (302401343), we get a palindrome (645505546).

The spelling of 343104203 in words is "three hundred forty-three million, one hundred four thousand, two hundred three".