320242331003 has 4 divisors (see below), whose sum is σ = 365991235440. Its totient is φ = 274493426568.

The previous prime is 320242330979. The next prime is 320242331011. The reversal of 320242331003 is 300133242023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320242331003 - 2¹² = 320242326907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320242331003.

It is not an unprimeable number, because it can be changed into a prime (320242331023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22874452208 + ... + 22874452221.

It is an arithmetic number, because the mean of its divisors is an integer number (91497808860).

Almost surely, 2^320242331003 is an apocalyptic number.

320242331003 is a deficient number, since it is larger than the sum of its proper divisors (45748904437).

320242331003 is an equidigital number, since it uses as much as digits as its factorization.

320242331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45748904436.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 320242331003 its reverse (300133242023), we get a palindrome (620375573026).

The spelling of 320242331003 in words is "three hundred twenty billion, two hundred forty-two million, three hundred thirty-one thousand, three".