320331112120043 has 2 divisors, whose sum is σ = 320331112120044. Its totient is φ = 320331112120042.

The previous prime is 320331112120037. The next prime is 320331112120111. The reversal of 320331112120043 is 340021211133023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320331112120043 - 2⁸ = 320331112119787 is a prime.

It is a super-2 number, since 2×320331112120043² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320331112119994 and 320331112120021.

It is not a weakly prime, because it can be changed into another prime (320331112120013) 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 as a sum of consecutive naturals, namely, 160165556060021 + 160165556060022.

It is an arithmetic number, because the mean of its divisors is an integer number (160165556060022).

Almost surely, 2^{320331112120043} is an apocalyptic number.

320331112120043 is a deficient number, since it is larger than the sum of its proper divisors (1).

320331112120043 is an equidigital number, since it uses as much as digits as its factorization.

320331112120043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 320331112120043 its reverse (340021211133023), we get a palindrome (660352323253066).

The spelling of 320331112120043 in words is "three hundred twenty trillion, three hundred thirty-one billion, one hundred twelve million, one hundred twenty thousand, forty-three".