320230021333 has 4 divisors (see below), whose sum is σ = 324616734028. Its totient is φ = 315843308640.

The previous prime is 320230021327. The next prime is 320230021367. The reversal of 320230021333 is 333120032023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333120032023 = 1627 ⋅204744949.

It can be written as a sum of positive squares in 2 ways, for example, as 115942293009 + 204287728324 = 340503^2 + 451982^2 .

It is a cyclic number.

It is not a de Polignac number, because 320230021333 - 2⁵ = 320230021301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320230021373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193356238 + ... + 2193356383.

It is an arithmetic number, because the mean of its divisors is an integer number (81154183507).

Almost surely, 2^320230021333 is an apocalyptic number.

It is an amenable number.

320230021333 is a deficient number, since it is larger than the sum of its proper divisors (4386712695).

320230021333 is an equidigital number, since it uses as much as digits as its factorization.

320230021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386712694.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 320230021333 its reverse (333120032023), we get a palindrome (653350053356).

The spelling of 320230021333 in words is "three hundred twenty billion, two hundred thirty million, twenty-one thousand, three hundred thirty-three".