320211131333323 has 24 divisors (see below), whose sum is σ = 336356397268128. Its totient is φ = 304748682336000.

The previous prime is 320211131333287. The next prime is 320211131333399. The reversal of 320211131333323 is 323333131112023.

It is a happy number.

It is not a de Polignac number, because 320211131333323 - 2²¹ = 320211129236171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (320211131313323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338532963 + ... + 339477523.

It is an arithmetic number, because the mean of its divisors is an integer number (14014849886172).

Almost surely, 2^{320211131333323} is an apocalyptic number.

320211131333323 is a deficient number, since it is larger than the sum of its proper divisors (16145265934805).

320211131333323 is an equidigital number, since it uses as much as digits as its factorization.

320211131333323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950467 (or 950436 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 320211131333323 its reverse (323333131112023), we get a palindrome (643544262445346).

The spelling of 320211131333323 in words is "three hundred twenty trillion, two hundred eleven billion, one hundred thirty-one million, three hundred thirty-three thousand, three hundred twenty-three".