343291142 has 4 divisors (see below), whose sum is σ = 514936716. Its totient is φ = 171645570.

The previous prime is 343291127. The next prime is 343291153. The reversal of 343291142 is 241192343.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85822784 + ... + 85822787.

It is an arithmetic number, because the mean of its divisors is an integer number (128734179).

Almost surely, 2^343291142 is an apocalyptic number.

343291142 is a deficient number, since it is larger than the sum of its proper divisors (171645574).

343291142 is a wasteful number, since it uses less digits than its factorization.

343291142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171645573.

The product of its digits is 5184, while the sum is 29.

The square root of 343291142 is about 18528.1176054126. The cubic root of 343291142 is about 700.1979997714.

The spelling of 343291142 in words is "three hundred forty-three million, two hundred ninety-one thousand, one hundred forty-two".