320313300232 has 16 divisors (see below), whose sum is σ = 600602548140. Its totient is φ = 160152620736.

The previous prime is 320313300211. The next prime is 320313300239. The reversal of 320313300232 is 232003313023.

It can be written as a sum of positive squares in 2 ways, for example, as 319692991396 + 620308836 = 565414^2 + 24906^2 .

It is a super-2 number, since 2×320313300232² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320313300239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151323 + ... + 814570.

Almost surely, 2^320313300232 is an apocalyptic number.

It is an amenable number.

320313300232 is a deficient number, since it is larger than the sum of its proper divisors (280289247908).

320313300232 is a wasteful number, since it uses less digits than its factorization.

320313300232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007352 (or 1007348 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 320313300232 its reverse (232003313023), we get a palindrome (552316613255).

The spelling of 320313300232 in words is "three hundred twenty billion, three hundred thirteen million, three hundred thousand, two hundred thirty-two".