320788483231 has 2 divisors, whose sum is σ = 320788483232. Its totient is φ = 320788483230.

The previous prime is 320788483217. The next prime is 320788483271. The reversal of 320788483231 is 132384887023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320788483231 is a prime.

It is a super-3 number, since 3×320788483231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320788483271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160394241615 + 160394241616.

It is an arithmetic number, because the mean of its divisors is an integer number (160394241616).

Almost surely, 2^320788483231 is an apocalyptic number.

320788483231 is a deficient number, since it is larger than the sum of its proper divisors (1).

320788483231 is an equidigital number, since it uses as much as digits as its factorization.

320788483231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 320788483231 in words is "three hundred twenty billion, seven hundred eighty-eight million, four hundred eighty-three thousand, two hundred thirty-one".