320263332771 has 16 divisors (see below), whose sum is σ = 446296586400. Its totient is φ = 204021285888.

The previous prime is 320263332749. The next prime is 320263332773. The reversal of 320263332771 is 177233362023.

It is not a de Polignac number, because 320263332771 - 2⁷ = 320263332643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320263332773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18966756 + ... + 18983633.

It is an arithmetic number, because the mean of its divisors is an integer number (27893536650).

Almost surely, 2^320263332771 is an apocalyptic number.

320263332771 is a deficient number, since it is larger than the sum of its proper divisors (126033253629).

320263332771 is a wasteful number, since it uses less digits than its factorization.

320263332771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37950518.

The product of its (nonzero) digits is 190512, while the sum is 39.

Adding to 320263332771 its reverse (177233362023), we get a palindrome (497496694794).

The spelling of 320263332771 in words is "three hundred twenty billion, two hundred sixty-three million, three hundred thirty-two thousand, seven hundred seventy-one".