320233132331 has 16 divisors (see below), whose sum is σ = 372608590080. Its totient is φ = 269525262240.

The previous prime is 320233132319. The next prime is 320233132339. The reversal of 320233132331 is 133231332023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320233132331 - 2³⁴ = 303053263147 is a prime.

It is a super-2 number, since 2×320233132331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320233132331.

It is not an unprimeable number, because it can be changed into a prime (320233132339) 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 15 ways as a sum of consecutive naturals, for example, 79865 + ... + 804266.

It is an arithmetic number, because the mean of its divisors is an integer number (23288036880).

Almost surely, 2^320233132331 is an apocalyptic number.

320233132331 is a deficient number, since it is larger than the sum of its proper divisors (52375457749).

320233132331 is an equidigital number, since it uses as much as digits as its factorization.

320233132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885074.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 320233132331 its reverse (133231332023), we get a palindrome (453464464354).

The spelling of 320233132331 in words is "three hundred twenty billion, two hundred thirty-three million, one hundred thirty-two thousand, three hundred thirty-one".