320033032321031 has 2 divisors, whose sum is σ = 320033032321032. Its totient is φ = 320033032321030.

The previous prime is 320033032321021. The next prime is 320033032321061. The reversal of 320033032321031 is 130123230330023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320033032321031 is a prime.

It is a super-2 number, since 2×320033032321031² (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 (320033032321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160016516160515 + 160016516160516.

It is an arithmetic number, because the mean of its divisors is an integer number (160016516160516).

Almost surely, 2^{320033032321031} is an apocalyptic number.

320033032321031 is a deficient number, since it is larger than the sum of its proper divisors (1).

320033032321031 is an equidigital number, since it uses as much as digits as its factorization.

320033032321031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 320033032321031 its reverse (130123230330023), we get a palindrome (450156262651054).

The spelling of 320033032321031 in words is "three hundred twenty trillion, thirty-three billion, thirty-two million, three hundred twenty-one thousand, thirty-one".