320133330231321 has 8 divisors (see below), whose sum is σ = 429056069533600. Its totient is φ = 212316405541632.

The previous prime is 320133330231317. The next prime is 320133330231361. The reversal of 320133330231321 is 123132033331023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320133330231321 - 2² = 320133330231317 is a prime.

It is a super-2 number, since 2×320133330231321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320133330231361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276453652471 + ... + 276453653628.

It is an arithmetic number, because the mean of its divisors is an integer number (53632008691700).

Almost surely, 2^{320133330231321} is an apocalyptic number.

It is an amenable number.

320133330231321 is a deficient number, since it is larger than the sum of its proper divisors (108922739302279).

320133330231321 is a wasteful number, since it uses less digits than its factorization.

320133330231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552907306295.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 320133330231321 its reverse (123132033331023), we get a palindrome (443265363562344).

The spelling of 320133330231321 in words is "three hundred twenty trillion, one hundred thirty-three billion, three hundred thirty million, two hundred thirty-one thousand, three hundred twenty-one".