320134433 has 4 divisors (see below), whose sum is σ = 320184708. Its totient is φ = 320084160.

The previous prime is 320134391. The next prime is 320134453. The reversal of 320134433 is 334431023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227647744 + 92486689 = 15088^2 + 9617^2 .

It is a cyclic number.

It is not a de Polignac number, because 320134433 - 2⁶ = 320134369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320134399 and 320134408.

It is not an unprimeable number, because it can be changed into a prime (320134453) 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 3 ways as a sum of consecutive naturals, for example, 13916 + ... + 28877.

It is an arithmetic number, because the mean of its divisors is an integer number (80046177).

Almost surely, 2^320134433 is an apocalyptic number.

It is an amenable number.

320134433 is a deficient number, since it is larger than the sum of its proper divisors (50275).

320134433 is an equidigital number, since it uses as much as digits as its factorization.

320134433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50274.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 320134433 is about 17892.3009420253. The cubic root of 320134433 is about 684.0861474262.

Adding to 320134433 its reverse (334431023), we get a palindrome (654565456).

The spelling of 320134433 in words is "three hundred twenty million, one hundred thirty-four thousand, four hundred thirty-three".