320413525132 has 12 divisors (see below), whose sum is σ = 565004003256. Its totient is φ = 158983809920.

The previous prime is 320413525129. The next prime is 320413525141. The reversal of 320413525132 is 231525314023.

It is a junction number, because it is equal to n+sod(n) for n = 320413525094 and 320413525103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305737573 + ... + 305738620.

It is an arithmetic number, because the mean of its divisors is an integer number (47083666938).

Almost surely, 2^320413525132 is an apocalyptic number.

It is an amenable number.

320413525132 is a deficient number, since it is larger than the sum of its proper divisors (244590478124).

320413525132 is a wasteful number, since it uses less digits than its factorization.

320413525132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611476328 (or 611476326 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 320413525132 its reverse (231525314023), we get a palindrome (551938839155).

The spelling of 320413525132 in words is "three hundred twenty billion, four hundred thirteen million, five hundred twenty-five thousand, one hundred thirty-two".