320538103 has 6 divisors (see below), whose sum is σ = 325882752. Its totient is φ = 315279720.

The previous prime is 320538079. The next prime is 320538107. The reversal of 320538103 is 301835023.

It is a de Polignac number, because none of the positive numbers 2^k-320538103 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 (320538107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39351 + ... + 46792.

It is an arithmetic number, because the mean of its divisors is an integer number (54313792).

Almost surely, 2^320538103 is an apocalyptic number.

320538103 is a deficient number, since it is larger than the sum of its proper divisors (5344649).

320538103 is an frugal number, since it uses more digits than its factorization.

320538103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86265 (or 86204 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 320538103 is about 17903.5779385016. The cubic root of 320538103 is about 684.3735569648.

The spelling of 320538103 in words is "three hundred twenty million, five hundred thirty-eight thousand, one hundred three".