343291143 has 16 divisors (see below), whose sum is σ = 506255456. Its totient is φ = 205545600.

The previous prime is 343291127. The next prime is 343291153. The reversal of 343291143 is 341192343.

It is not a de Polignac number, because 343291143 - 2⁴ = 343291127 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 343291143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343291153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117508 + ... + 120393.

It is an arithmetic number, because the mean of its divisors is an integer number (31640966).

Almost surely, 2^343291143 is an apocalyptic number.

343291143 is a deficient number, since it is larger than the sum of its proper divisors (162964313).

343291143 is a wasteful number, since it uses less digits than its factorization.

343291143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237954.

The product of its digits is 7776, while the sum is 30.

The square root of 343291143 is about 18528.1176323986. The cubic root of 343291143 is about 700.1980004513.

The spelling of 343291143 in words is "three hundred forty-three million, two hundred ninety-one thousand, one hundred forty-three".