328111103 has 4 divisors (see below), whose sum is σ = 328369320. Its totient is φ = 327852888.

The previous prime is 328111097. The next prime is 328111111. The reversal of 328111103 is 301111823.

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 328111103 - 2⁴ = 328111087 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 (328113103) 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 3 ways as a sum of consecutive naturals, for example, 127193 + ... + 129746.

It is an arithmetic number, because the mean of its divisors is an integer number (82092330).

Almost surely, 2^328111103 is an apocalyptic number.

328111103 is a deficient number, since it is larger than the sum of its proper divisors (258217).

328111103 is a wasteful number, since it uses less digits than its factorization.

328111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258216.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 328111103 is about 18113.8373350320. The cubic root of 328111103 is about 689.7213066196.

Adding to 328111103 its reverse (301111823), we get a palindrome (629222926).

The spelling of 328111103 in words is "three hundred twenty-eight million, one hundred eleven thousand, one hundred three".