320544443452133 has 2 divisors, whose sum is σ = 320544443452134. Its totient is φ = 320544443452132.

The previous prime is 320544443452117. The next prime is 320544443452157. The reversal of 320544443452133 is 331254344445023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318504236875969 + 2040206576164 = 17846687^2 + 1428358^2 .

It is a cyclic number.

It is not a de Polignac number, because 320544443452133 - 2⁴ = 320544443452117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320544443452733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160272221726066 + 160272221726067.

It is an arithmetic number, because the mean of its divisors is an integer number (160272221726067).

Almost surely, 2^{320544443452133} is an apocalyptic number.

It is an amenable number.

320544443452133 is a deficient number, since it is larger than the sum of its proper divisors (1).

320544443452133 is an equidigital number, since it uses as much as digits as its factorization.

320544443452133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8294400, while the sum is 47.

Adding to 320544443452133 its reverse (331254344445023), we get a palindrome (651798787897156).

The spelling of 320544443452133 in words is "three hundred twenty trillion, five hundred forty-four billion, four hundred forty-three million, four hundred fifty-two thousand, one hundred thirty-three".