320135003 has 16 divisors (see below), whose sum is σ = 332467200. Its totient is φ = 308105280.

The previous prime is 320134987. The next prime is 320135027. The reversal of 320135003 is 300531023.

It is a cyclic number.

It is not a de Polignac number, because 320135003 - 2⁴ = 320134987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320135203) 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 15 ways as a sum of consecutive naturals, for example, 1029218 + ... + 1029528.

It is an arithmetic number, because the mean of its divisors is an integer number (20779200).

Almost surely, 2^320135003 is an apocalyptic number.

320135003 is a deficient number, since it is larger than the sum of its proper divisors (12332197).

320135003 is a wasteful number, since it uses less digits than its factorization.

320135003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 320135003 is about 17892.3168706571. The cubic root of 320135003 is about 684.0865534315.

Adding to 320135003 its reverse (300531023), we get a palindrome (620666026).

The spelling of 320135003 in words is "three hundred twenty million, one hundred thirty-five thousand, three".