1328324100503 has 6 divisors (see below), whose sum is σ = 1386083089944. Its totient is φ = 1270565591724.

The previous prime is 1328324100487. The next prime is 1328324100581. The reversal of 1328324100503 is 3050014238231.

It is not a de Polignac number, because 1328324100503 - 2⁴ = 1328324100487 is a prime.

It is a super-3 number, since 3×1328324100503³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1328324100503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328324100703) 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, 5407178 + ... + 5647496.

It is an arithmetic number, because the mean of its divisors is an integer number (231013848324).

Almost surely, 2^{1328324100503} is an apocalyptic number.

1328324100503 is a deficient number, since it is larger than the sum of its proper divisors (57758989441).

1328324100503 is an frugal number, since it uses more digits than its factorization.

1328324100503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480661 (or 240342 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 1328324100503 its reverse (3050014238231), we get a palindrome (4378338338734).

The spelling of 1328324100503 in words is "one trillion, three hundred twenty-eight billion, three hundred twenty-four million, one hundred thousand, five hundred three".