320030330987 has 2 divisors, whose sum is σ = 320030330988. Its totient is φ = 320030330986.

The previous prime is 320030330981. The next prime is 320030331073. The reversal of 320030330987 is 789033030023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320030330987 - 2¹⁴ = 320030314603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320030330987.

It is not a weakly prime, because it can be changed into another prime (320030330981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160015165493 + 160015165494.

It is an arithmetic number, because the mean of its divisors is an integer number (160015165494).

Almost surely, 2^320030330987 is an apocalyptic number.

320030330987 is a deficient number, since it is larger than the sum of its proper divisors (1).

320030330987 is an equidigital number, since it uses as much as digits as its factorization.

320030330987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 320030330987 in words is "three hundred twenty billion, thirty million, three hundred thirty thousand, nine hundred eighty-seven".