320522133 has 8 divisors (see below), whose sum is σ = 437786496. Its totient is φ = 208469600.

The previous prime is 320522099. The next prime is 320522143. The reversal of 320522133 is 331225023.

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

It is a cyclic number.

It is not a de Polignac number, because 320522133 - 2¹⁴ = 320505749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320522143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302813 + ... + 1303058.

It is an arithmetic number, because the mean of its divisors is an integer number (54723312).

Almost surely, 2^320522133 is an apocalyptic number.

It is an amenable number.

320522133 is a deficient number, since it is larger than the sum of its proper divisors (117264363).

320522133 is a wasteful number, since it uses less digits than its factorization.

320522133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605915.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 320522133 is about 17903.1319327094. The cubic root of 320522133 is about 684.3621910490.

Adding to 320522133 its reverse (331225023), we get a palindrome (651747156).

The spelling of 320522133 in words is "three hundred twenty million, five hundred twenty-two thousand, one hundred thirty-three".