320232321125231 has 2 divisors, whose sum is σ = 320232321125232. Its totient is φ = 320232321125230.

The previous prime is 320232321125177. The next prime is 320232321125291. The reversal of 320232321125231 is 132521123232023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320232321125231 - 2¹⁸ = 320232320863087 is a prime.

It is a super-2 number, since 2×320232321125231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320232321125291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160116160562615 + 160116160562616.

It is an arithmetic number, because the mean of its divisors is an integer number (160116160562616).

Almost surely, 2^{320232321125231} is an apocalyptic number.

320232321125231 is a deficient number, since it is larger than the sum of its proper divisors (1).

320232321125231 is an equidigital number, since it uses as much as digits as its factorization.

320232321125231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 320232321125231 its reverse (132521123232023), we get a palindrome (452753444357254).

The spelling of 320232321125231 in words is "three hundred twenty trillion, two hundred thirty-two billion, three hundred twenty-one million, one hundred twenty-five thousand, two hundred thirty-one".