320320332133 has 4 divisors (see below), whose sum is σ = 320324015788. Its totient is φ = 320316648480.

The previous prime is 320320332127. The next prime is 320320332139. The reversal of 320320332133 is 331233023023.

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

It is an interprime number because it is at equal distance from previous prime (320320332127) and next prime (320320332139).

It can be written as a sum of positive squares in 2 ways, for example, as 104832193284 + 215488138849 = 323778^2 + 464207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320320332133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320320332098 and 320320332107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320320332139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1708158 + ... + 1886383.

It is an arithmetic number, because the mean of its divisors is an integer number (80081003947).

Almost surely, 2^320320332133 is an apocalyptic number.

It is an amenable number.

320320332133 is a deficient number, since it is larger than the sum of its proper divisors (3683655).

320320332133 is an equidigital number, since it uses as much as digits as its factorization.

320320332133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683654.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 320320332133 its reverse (331233023023), we get a palindrome (651553355156).

The spelling of 320320332133 in words is "three hundred twenty billion, three hundred twenty million, three hundred thirty-two thousand, one hundred thirty-three".