1310003303321 has 16 divisors (see below), whose sum is σ = 1383920899200. Its totient is φ = 1238694307200.

The previous prime is 1310003303311. The next prime is 1310003303333. The reversal of 1310003303321 is 1233033000131.

It is a cyclic number.

It is not a de Polignac number, because 1310003303321 - 2¹⁰ = 1310003302297 is a prime.

It is a super-2 number, since 2×1310003303321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310003303293 and 1310003303302.

It is not an unprimeable number, because it can be changed into a prime (1310003303311) 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, 3641966 + ... + 3985463.

It is an arithmetic number, because the mean of its divisors is an integer number (86495056200).

Almost surely, 2^{1310003303321} is an apocalyptic number.

It is an amenable number.

1310003303321 is a deficient number, since it is larger than the sum of its proper divisors (73917595879).

1310003303321 is an equidigital number, since it uses as much as digits as its factorization.

1310003303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627600.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1310003303321 its reverse (1233033000131), we get a palindrome (2543036303452).

The spelling of 1310003303321 in words is "one trillion, three hundred ten billion, three million, three hundred three thousand, three hundred twenty-one".