320332211299987 has 2 divisors, whose sum is σ = 320332211299988. Its totient is φ = 320332211299986.

The previous prime is 320332211299937. The next prime is 320332211300009. The reversal of 320332211299987 is 789992112233023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320332211299987 is a prime.

It is a super-2 number, since 2×320332211299987² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320332211299937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160166105649993 + 160166105649994.

It is an arithmetic number, because the mean of its divisors is an integer number (160166105649994).

Almost surely, 2^{320332211299987} is an apocalyptic number.

320332211299987 is a deficient number, since it is larger than the sum of its proper divisors (1).

320332211299987 is an equidigital number, since it uses as much as digits as its factorization.

320332211299987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 320332211299987 in words is "three hundred twenty trillion, three hundred thirty-two billion, two hundred eleven million, two hundred ninety-nine thousand, nine hundred eighty-seven".