320871283 has 8 divisors (see below), whose sum is σ = 333795600. Its totient is φ = 308071008.

The previous prime is 320871263. The next prime is 320871293. The reversal of 320871283 is 382178023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320871283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320871233) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 25716 + ... + 36097.

It is an arithmetic number, because the mean of its divisors is an integer number (41724450).

Almost surely, 2^320871283 is an apocalyptic number.

320871283 is a deficient number, since it is larger than the sum of its proper divisors (12924317).

320871283 is a wasteful number, since it uses less digits than its factorization.

320871283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62021.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 320871283 is about 17912.8803658150. The cubic root of 320871283 is about 684.6105965148.

The spelling of 320871283 in words is "three hundred twenty million, eight hundred seventy-one thousand, two hundred eighty-three".