320532412305 has 16 divisors (see below), whose sum is σ = 586116411264. Its totient is φ = 146529102720.

The previous prime is 320532412267. The next prime is 320532412307. The reversal of 320532412305 is 503214235023.

It is not a de Polignac number, because 320532412305 - 2⁶ = 320532412241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320532412307) 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, 1526344716 + ... + 1526344925.

It is an arithmetic number, because the mean of its divisors is an integer number (36632275704).

Almost surely, 2^320532412305 is an apocalyptic number.

320532412305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320532412305 is a deficient number, since it is larger than the sum of its proper divisors (265583998959).

320532412305 is a wasteful number, since it uses less digits than its factorization.

320532412305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052689656.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 320532412305 its reverse (503214235023), we get a palindrome (823746647328).

The spelling of 320532412305 in words is "three hundred twenty billion, five hundred thirty-two million, four hundred twelve thousand, three hundred five".