320332312132 has 24 divisors (see below), whose sum is σ = 640685768576. Its totient is φ = 137280745728.

The previous prime is 320332312129. The next prime is 320332312169. The reversal of 320332312132 is 231213233023.

It is a super-2 number, since 2×320332312132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320332312097 and 320332312106.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 758068 + ... + 1102420.

Almost surely, 2^320332312132 is an apocalyptic number.

It is an amenable number.

320332312132 is an abundant number, since it is smaller than the sum of its proper divisors (320353456444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320332312132 is a wasteful number, since it uses less digits than its factorization.

320332312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377587 (or 377585 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 320332312132 its reverse (231213233023), we get a palindrome (551545545155).

The spelling of 320332312132 in words is "three hundred twenty billion, three hundred thirty-two million, three hundred twelve thousand, one hundred thirty-two".