320321001232 has 10 divisors (see below), whose sum is σ = 620621939918. Its totient is φ = 160160500608.

The previous prime is 320321001181. The next prime is 320321001241. The reversal of 320321001232 is 232100123023.

It can be written as a sum of positive squares in only one way, i.e., 187347002896 + 132973998336 = 432836^2 + 364656^2 .

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 as a sum of consecutive naturals, namely, 10010031273 + ... + 10010031304.

Almost surely, 2^320321001232 is an apocalyptic number.

It is an amenable number.

320321001232 is a deficient number, since it is larger than the sum of its proper divisors (300300938686).

320321001232 is a wasteful number, since it uses less digits than its factorization.

320321001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020062585 (or 20020062579 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320321001232 its reverse (232100123023), we get a palindrome (552421124255).

The spelling of 320321001232 in words is "three hundred twenty billion, three hundred twenty-one million, one thousand, two hundred thirty-two".