320403122 has 8 divisors (see below), whose sum is σ = 517574316. Its totient is φ = 147878352.

The previous prime is 320403121. The next prime is 320403143. The reversal of 320403122 is 221304023.

It can be written as a sum of positive squares in 2 ways, for example, as 276856321 + 43546801 = 16639^2 + 6599^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 320403122.

It is not an unprimeable number, because it can be changed into a prime (320403121) 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, 6161573 + ... + 6161624.

Almost surely, 2^320403122 is an apocalyptic number.

320403122 is a deficient number, since it is larger than the sum of its proper divisors (197171194).

320403122 is a wasteful number, since it uses less digits than its factorization.

320403122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12323212.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 320403122 is about 17899.8078760639. The cubic root of 320403122 is about 684.2774785306.

Adding to 320403122 its reverse (221304023), we get a palindrome (541707145).

Subtracting from 320403122 its reverse (221304023), we obtain a palindrome (99099099).

The spelling of 320403122 in words is "three hundred twenty million, four hundred three thousand, one hundred twenty-two".