1003321103231 has 2 divisors, whose sum is σ = 1003321103232. Its totient is φ = 1003321103230.

The previous prime is 1003321103137. The next prime is 1003321103233. The reversal of 1003321103231 is 1323011233001.

It is a strong prime.

It is an emirp because it is prime and its reverse (1323011233001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003321103231 - 2¹⁰ = 1003321102207 is a prime.

It is a super-2 number, since 2×1003321103231² (a number of 25 digits) contains 22 as substring.

Together with 1003321103233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003321103233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501660551615 + 501660551616.

It is an arithmetic number, because the mean of its divisors is an integer number (501660551616).

Almost surely, 2^{1003321103231} is an apocalyptic number.

1003321103231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003321103231 is an equidigital number, since it uses as much as digits as its factorization.

1003321103231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1003321103231 its reverse (1323011233001), we get a palindrome (2326332336232).

The spelling of 1003321103231 in words is "one trillion, three billion, three hundred twenty-one million, one hundred three thousand, two hundred thirty-one".