1310203020013 has 16 divisors (see below), whose sum is σ = 1345598858800. Its totient is φ = 1275259852800.

The previous prime is 1310203019999. The next prime is 1310203020023. The reversal of 1310203020013 is 3100203020131.

It can be written as a sum of positive squares in 8 ways, for example, as 629226524644 + 680976495369 = 793238^2 + 825213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310203020013 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 (1310203020023) 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, 65958703 + ... + 65978563.

It is an arithmetic number, because the mean of its divisors is an integer number (84099928675).

Almost surely, 2^{1310203020013} is an apocalyptic number.

It is an amenable number.

1310203020013 is a deficient number, since it is larger than the sum of its proper divisors (35395838787).

1310203020013 is a wasteful number, since it uses less digits than its factorization.

1310203020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31168.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1310203020013 its reverse (3100203020131), we get a palindrome (4410406040144).

The spelling of 1310203020013 in words is "one trillion, three hundred ten billion, two hundred three million, twenty thousand, thirteen".