320313421103 has 12 divisors (see below), whose sum is σ = 347214694248. Its totient is φ = 295361557920.

The previous prime is 320313421091. The next prime is 320313421123. The reversal of 320313421103 is 301124313023.

It is not a de Polignac number, because 320313421103 - 2¹² = 320313417007 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 (320313421123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 840668 + ... + 1160753.

It is an arithmetic number, because the mean of its divisors is an integer number (28934557854).

Almost surely, 2^320313421103 is an apocalyptic number.

320313421103 is a deficient number, since it is larger than the sum of its proper divisors (26901273145).

320313421103 is a wasteful number, since it uses less digits than its factorization.

320313421103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002394 (or 2002381 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 320313421103 its reverse (301124313023), we get a palindrome (621437734126).

The spelling of 320313421103 in words is "three hundred twenty billion, three hundred thirteen million, four hundred twenty-one thousand, one hundred three".