1310032515013 has 4 divisors (see below), whose sum is σ = 1310036144940. Its totient is φ = 1310028885088.

The previous prime is 1310032514933. The next prime is 1310032515017. The reversal of 1310032515013 is 3105152300131.

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 449928368289 + 860104146724 = 670767^2 + 927418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310032515013 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 (1310032515017) 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, 1205368 + ... + 2018161.

It is an arithmetic number, because the mean of its divisors is an integer number (327509036235).

Almost surely, 2^{1310032515013} is an apocalyptic number.

It is an amenable number.

1310032515013 is a deficient number, since it is larger than the sum of its proper divisors (3629927).

1310032515013 is an equidigital number, since it uses as much as digits as its factorization.

1310032515013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629926.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 1310032515013 its reverse (3105152300131), we get a palindrome (4415184815144).

The spelling of 1310032515013 in words is "one trillion, three hundred ten billion, thirty-two million, five hundred fifteen thousand, thirteen".