320330230133 has 4 divisors (see below), whose sum is σ = 320447612940. Its totient is φ = 320212847328.

The previous prime is 320330230123. The next prime is 320330230169. The reversal of 320330230133 is 331032033023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331032033023 = 773 ⋅428243251.

It can be written as a sum of positive squares in 2 ways, for example, as 184557878404 + 135772351729 = 429602^2 + 368473^2 .

It is a cyclic number.

It is not a de Polignac number, because 320330230133 - 2¹⁸ = 320329967989 is a prime.

It is a super-3 number, since 3×320330230133³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320330230099 and 320330230108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320330230123) 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, 58687310 + ... + 58692767.

It is an arithmetic number, because the mean of its divisors is an integer number (80111903235).

Almost surely, 2^320330230133 is an apocalyptic number.

It is an amenable number.

320330230133 is a deficient number, since it is larger than the sum of its proper divisors (117382807).

320330230133 is a wasteful number, since it uses less digits than its factorization.

320330230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117382806.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 320330230133 its reverse (331032033023), we get a palindrome (651362263156).

The spelling of 320330230133 in words is "three hundred twenty billion, three hundred thirty million, two hundred thirty thousand, one hundred thirty-three".