320243342 has 4 divisors (see below), whose sum is σ = 480365016. Its totient is φ = 160121670.

The previous prime is 320243311. The next prime is 320243369. The reversal of 320243342 is 243342023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243342023 = 6719 ⋅36217.

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, 80060834 + ... + 80060837.

It is an arithmetic number, because the mean of its divisors is an integer number (120091254).

Almost surely, 2^320243342 is an apocalyptic number.

320243342 is a deficient number, since it is larger than the sum of its proper divisors (160121674).

320243342 is a wasteful number, since it uses less digits than its factorization.

320243342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160121673.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 320243342 is about 17895.3441431005. The cubic root of 320243342 is about 684.1637134772.

Adding to 320243342 its reverse (243342023), we get a palindrome (563585365).

The spelling of 320243342 in words is "three hundred twenty million, two hundred forty-three thousand, three hundred forty-two".