320103345 has 8 divisors (see below), whose sum is σ = 512165376. Its totient is φ = 170721776.

The previous prime is 320103341. The next prime is 320103401. The reversal of 320103345 is 543301023.

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 320103345 - 2² = 320103341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320103341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10670097 + ... + 10670126.

It is an arithmetic number, because the mean of its divisors is an integer number (64020672).

Almost surely, 2^320103345 is an apocalyptic number.

It is an amenable number.

320103345 is a deficient number, since it is larger than the sum of its proper divisors (192062031).

320103345 is a wasteful number, since it uses less digits than its factorization.

320103345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21340231.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 320103345 is about 17891.4321673811. The cubic root of 320103345 is about 684.0640030223.

Adding to 320103345 its reverse (543301023), we get a palindrome (863404368).

The spelling of 320103345 in words is "three hundred twenty million, one hundred three thousand, three hundred forty-five".