343142303 has 4 divisors (see below), whose sum is σ = 392162640. Its totient is φ = 294121968.

The previous prime is 343142291. The next prime is 343142321. The reversal of 343142303 is 303241343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303241343 = 73 ⋅4153991.

It is not a de Polignac number, because 343142303 - 2⁸ = 343142047 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 (343142323) 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, 24510158 + ... + 24510171.

It is an arithmetic number, because the mean of its divisors is an integer number (98040660).

Almost surely, 2^343142303 is an apocalyptic number.

343142303 is a deficient number, since it is larger than the sum of its proper divisors (49020337).

343142303 is an equidigital number, since it uses as much as digits as its factorization.

343142303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49020336.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 343142303 is about 18524.1005989495. The cubic root of 343142303 is about 700.0967913776.

Adding to 343142303 its reverse (303241343), we get a palindrome (646383646).

The spelling of 343142303 in words is "three hundred forty-three million, one hundred forty-two thousand, three hundred three".