1303121130303 has 16 divisors (see below), whose sum is σ = 1765155034496. Its totient is φ = 854942726880.

The previous prime is 1303121130257. The next prime is 1303121130307. The reversal of 1303121130303 is 3030311213031.

It is not a de Polignac number, because 1303121130303 - 2⁶ = 1303121130239 is a prime.

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 1303121130303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303121130307) 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, 2969701 + ... + 3380142.

It is an arithmetic number, because the mean of its divisors is an integer number (110322189656).

Almost surely, 2^{1303121130303} is an apocalyptic number.

1303121130303 is a deficient number, since it is larger than the sum of its proper divisors (462033904193).

1303121130303 is a wasteful number, since it uses less digits than its factorization.

1303121130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350934.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1303121130303 its reverse (3030311213031), we get a palindrome (4333432343334).

The spelling of 1303121130303 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred thirty thousand, three hundred three".