320032112021987 has 2 divisors, whose sum is σ = 320032112021988. Its totient is φ = 320032112021986.

The previous prime is 320032112021981. The next prime is 320032112022047. The reversal of 320032112021987 is 789120211230023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320032112021987 - 2⁸ = 320032112021731 is a prime.

It is a super-3 number, since 3×320032112021987³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (320032112021981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160016056010993 + 160016056010994.

It is an arithmetic number, because the mean of its divisors is an integer number (160016056010994).

Almost surely, 2^{320032112021987} is an apocalyptic number.

320032112021987 is a deficient number, since it is larger than the sum of its proper divisors (1).

320032112021987 is an equidigital number, since it uses as much as digits as its factorization.

320032112021987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 320032112021987 in words is "three hundred twenty trillion, thirty-two billion, one hundred twelve million, twenty-one thousand, nine hundred eighty-seven".