320817082 has 16 divisors (see below), whose sum is σ = 500712840. Its totient is φ = 153977152.

The previous prime is 320817067. The next prime is 320817083. The reversal of 320817082 is 280718023.

It can be written as a sum of positive squares in 4 ways, for example, as 312971481 + 7845601 = 17691^2 + 2801^2 .

It is not an unprimeable number, because it can be changed into a prime (320817083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5953 + ... + 26020.

Almost surely, 2^320817082 is an apocalyptic number.

320817082 is a deficient number, since it is larger than the sum of its proper divisors (179895758).

320817082 is a wasteful number, since it uses less digits than its factorization.

320817082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32177.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 320817082 is about 17911.3673961538. The cubic root of 320817082 is about 684.5720466139.

The spelling of 320817082 in words is "three hundred twenty million, eight hundred seventeen thousand, eighty-two".