320788483291 has 2 divisors, whose sum is σ = 320788483292. Its totient is φ = 320788483290.

The previous prime is 320788483289. The next prime is 320788483369. The reversal of 320788483291 is 192384887023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320788483291 - 2¹ = 320788483289 is a prime.

Together with 320788483289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (320788483231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160394241645 + 160394241646.

It is an arithmetic number, because the mean of its divisors is an integer number (160394241646).

Almost surely, 2^320788483291 is an apocalyptic number.

320788483291 is a deficient number, since it is larger than the sum of its proper divisors (1).

320788483291 is an equidigital number, since it uses as much as digits as its factorization.

320788483291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 320788483291 in words is "three hundred twenty billion, seven hundred eighty-eight million, four hundred eighty-three thousand, two hundred ninety-one".