320170133 has 2 divisors, whose sum is σ = 320170134. Its totient is φ = 320170132.

The previous prime is 320170127. The next prime is 320170141. The reversal of 320170133 is 331071023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307195729 + 12974404 = 17527^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 320170133 - 2²⁰ = 319121557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320170033) 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 as a sum of consecutive naturals, namely, 160085066 + 160085067.

It is an arithmetic number, because the mean of its divisors is an integer number (160085067).

Almost surely, 2^320170133 is an apocalyptic number.

It is an amenable number.

320170133 is a deficient number, since it is larger than the sum of its proper divisors (1).

320170133 is an equidigital number, since it uses as much as digits as its factorization.

320170133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 320170133 is about 17893.2985500159. The cubic root of 320170133 is about 684.1115752519. Note that the first 3 decimals are identical.

The spelling of 320170133 in words is "three hundred twenty million, one hundred seventy thousand, one hundred thirty-three".