1003321110313 has 16 divisors (see below), whose sum is σ = 1082531701440. Its totient is φ = 927330239520.

The previous prime is 1003321110307. The next prime is 1003321110377. The reversal of 1003321110313 is 3130111233001.

It is not a de Polignac number, because 1003321110313 - 2²¹ = 1003319013161 is a prime.

It is a super-2 number, since 2×1003321110313² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003321110013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926406 + ... + 1692592.

It is an arithmetic number, because the mean of its divisors is an integer number (67658231340).

Almost surely, 2^{1003321110313} is an apocalyptic number.

It is an amenable number.

1003321110313 is a deficient number, since it is larger than the sum of its proper divisors (79210591127).

1003321110313 is an frugal number, since it uses more digits than its factorization.

1003321110313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766329 (or 766247 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1003321110313 its reverse (3130111233001), we get a palindrome (4133432343314).

The spelling of 1003321110313 in words is "one trillion, three billion, three hundred twenty-one million, one hundred ten thousand, three hundred thirteen".