320214143 has 4 divisors (see below), whose sum is σ = 331256040. Its totient is φ = 309172248.

The previous prime is 320214121. The next prime is 320214151. The reversal of 320214143 is 341412023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341412023 = 23 ⋅14844001.

It is not a de Polignac number, because 320214143 - 2¹⁸ = 319951999 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 (320214043) 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, 5520905 + ... + 5520962.

It is an arithmetic number, because the mean of its divisors is an integer number (82814010).

Almost surely, 2^320214143 is an apocalyptic number.

320214143 is a deficient number, since it is larger than the sum of its proper divisors (11041897).

320214143 is a wasteful number, since it uses less digits than its factorization.

320214143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041896.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 320214143 is about 17894.5282977786. The cubic root of 320214143 is about 684.1429193905.

Adding to 320214143 its reverse (341412023), we get a palindrome (661626166).

The spelling of 320214143 in words is "three hundred twenty million, two hundred fourteen thousand, one hundred forty-three".