343311143 has 8 divisors (see below), whose sum is σ = 405012480. Its totient is φ = 284774040.

The previous prime is 343311127. The next prime is 343311151. The reversal of 343311143 is 341113343.

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

It is a cyclic number.

It is not a de Polignac number, because 343311143 - 2⁴ = 343311127 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 (343311103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790823 + ... + 791256.

It is an arithmetic number, because the mean of its divisors is an integer number (50626560).

Almost surely, 2^343311143 is an apocalyptic number.

343311143 is a deficient number, since it is larger than the sum of its proper divisors (61701337).

343311143 is a wasteful number, since it uses less digits than its factorization.

343311143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582117.

The product of its digits is 1296, while the sum is 23.

The square root of 343311143 is about 18528.6573447727. The cubic root of 343311143 is about 700.2115979359.

Adding to 343311143 its reverse (341113343), we get a palindrome (684424486).

The spelling of 343311143 in words is "three hundred forty-three million, three hundred eleven thousand, one hundred forty-three".