320303213232533 has 2 divisors, whose sum is σ = 320303213232534. Its totient is φ = 320303213232532.

The previous prime is 320303213232529. The next prime is 320303213232551. The reversal of 320303213232533 is 335232312303023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258034811425444 + 62268401807089 = 16063462^2 + 7891033^2 .

It is a cyclic number.

It is not a de Polignac number, because 320303213232533 - 2² = 320303213232529 is a prime.

It is a super-2 number, since 2×320303213232533² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320303213232493 and 320303213232502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320303213232733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160151606616266 + 160151606616267.

It is an arithmetic number, because the mean of its divisors is an integer number (160151606616267).

Almost surely, 2^{320303213232533} is an apocalyptic number.

It is an amenable number.

320303213232533 is a deficient number, since it is larger than the sum of its proper divisors (1).

320303213232533 is an equidigital number, since it uses as much as digits as its factorization.

320303213232533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 35.

Adding to 320303213232533 its reverse (335232312303023), we get a palindrome (655535525535556).

The spelling of 320303213232533 in words is "three hundred twenty trillion, three hundred three billion, two hundred thirteen million, two hundred thirty-two thousand, five hundred thirty-three".