320230133 has 2 divisors, whose sum is σ = 320230134. Its totient is φ = 320230132.

The previous prime is 320230103. The next prime is 320230147. The reversal of 320230133 is 331032023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215003569 + 105226564 = 14663^2 + 10258^2 .

It is a cyclic number.

It is not a de Polignac number, because 320230133 - 2¹⁰ = 320229109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320230103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160115066 + 160115067.

It is an arithmetic number, because the mean of its divisors is an integer number (160115067).

Almost surely, 2^320230133 is an apocalyptic number.

It is an amenable number.

320230133 is a deficient number, since it is larger than the sum of its proper divisors (1).

320230133 is an equidigital number, since it uses as much as digits as its factorization.

320230133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 320230133 is about 17894.9750768197. The cubic root of 320230133 is about 684.1543068358.

Adding to 320230133 its reverse (331032023), we get a palindrome (651262156).

The spelling of 320230133 in words is "three hundred twenty million, two hundred thirty thousand, one hundred thirty-three".