320445450103 has 8 divisors (see below), whose sum is σ = 350995016880. Its totient is φ = 291195864960.

The previous prime is 320445450097. The next prime is 320445450107. The reversal of 320445450103 is 301054544023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320445450103 - 2⁹ = 320445449591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320445450107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324994893 + ... + 324995878.

It is an arithmetic number, because the mean of its divisors is an integer number (43874377110).

Almost surely, 2^320445450103 is an apocalyptic number.

320445450103 is a deficient number, since it is larger than the sum of its proper divisors (30549566777).

320445450103 is a wasteful number, since it uses less digits than its factorization.

320445450103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649990817.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 320445450103 its reverse (301054544023), we get a palindrome (621499994126).

The spelling of 320445450103 in words is "three hundred twenty billion, four hundred forty-five million, four hundred fifty thousand, one hundred three".