1315331135313 has 32 divisors (see below), whose sum is σ = 2034371297280. Its totient is φ = 749266182720.

The previous prime is 1315331135269. The next prime is 1315331135333. The reversal of 1315331135313 is 3135311335131.

It is a happy number.

It is not a de Polignac number, because 1315331135313 - 2²⁰ = 1315330086737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1315331135333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23623273 + ... + 23678886.

It is an arithmetic number, because the mean of its divisors is an integer number (63574103040).

Almost surely, 2^{1315331135313} is an apocalyptic number.

1315331135313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1315331135313 is a deficient number, since it is larger than the sum of its proper divisors (719040161967).

1315331135313 is a wasteful number, since it uses less digits than its factorization.

1315331135313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47302229.

The product of its digits is 18225, while the sum is 33.

The spelling of 1315331135313 in words is "one trillion, three hundred fifteen billion, three hundred thirty-one million, one hundred thirty-five thousand, three hundred thirteen".