1310503441013 has 4 divisors (see below), whose sum is σ = 1411311398028. Its totient is φ = 1209695484000.

The previous prime is 1310503440979. The next prime is 1310503441057. The reversal of 1310503441013 is 3101443050131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219550347844 + 1090953093169 = 468562^2 + 1044487^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310503441013 - 2³⁰ = 1309429699189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310503441813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50403978488 + ... + 50403978513.

It is an arithmetic number, because the mean of its divisors is an integer number (352827849507).

Almost surely, 2^{1310503441013} is an apocalyptic number.

1310503441013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1310503441013 is a deficient number, since it is larger than the sum of its proper divisors (100807957015).

1310503441013 is a wasteful number, since it uses less digits than its factorization.

1310503441013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100807957014.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1310503441013 its reverse (3101443050131), we get a palindrome (4411946491144).

The spelling of 1310503441013 in words is "one trillion, three hundred ten billion, five hundred three million, four hundred forty-one thousand, thirteen".