1310120043313 has 4 divisors (see below), whose sum is σ = 1322839655488. Its totient is φ = 1297400431140.

The previous prime is 1310120043217. The next prime is 1310120043319. The reversal of 1310120043313 is 3133400210131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1310120043313 - 2²⁵ = 1310086488881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310120043319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6359805933 + ... + 6359806138.

It is an arithmetic number, because the mean of its divisors is an integer number (330709913872).

Almost surely, 2^{1310120043313} is an apocalyptic number.

It is an amenable number.

1310120043313 is a deficient number, since it is larger than the sum of its proper divisors (12719612175).

1310120043313 is a wasteful number, since it uses less digits than its factorization.

1310120043313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12719612174.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1310120043313 its reverse (3133400210131), we get a palindrome (4443520253444).

The spelling of 1310120043313 in words is "one trillion, three hundred ten billion, one hundred twenty million, forty-three thousand, three hundred thirteen".