320313243132 has 18 divisors (see below), whose sum is σ = 809680698008. Its totient is φ = 106771081032.

The previous prime is 320313243097. The next prime is 320313243139. The reversal of 320313243132 is 231342313023.

320313243132 is a `hidden beast` number, since 3 + 20 + 3 + 1 + 324 + 313 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 320313243096 and 320313243105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320313243139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4448795008 + ... + 4448795079.

Almost surely, 2^320313243132 is an apocalyptic number.

It is an amenable number.

320313243132 is an abundant number, since it is smaller than the sum of its proper divisors (489367454876).

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

320313243132 is a wasteful number, since it uses less digits than its factorization.

320313243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8897590097 (or 8897590092 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 320313243132 its reverse (231342313023), we get a palindrome (551655556155).

The spelling of 320313243132 in words is "three hundred twenty billion, three hundred thirteen million, two hundred forty-three thousand, one hundred thirty-two".