1313882113 has 4 divisors (see below), whose sum is σ = 1319334148. Its totient is φ = 1308430080.

The previous prime is 1313882093. The next prime is 1313882131. The reversal of 1313882113 is 3112883131.

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 1165334769 + 148547344 = 34137^2 + 12188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313882113 - 2⁵ = 1313882081 is a prime.

It is a super-2 number, since 2×1313882113² = 3452572413722689538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313882413) 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, 2725656 + ... + 2726137.

It is an arithmetic number, because the mean of its divisors is an integer number (329833537).

Almost surely, 2^1313882113 is an apocalyptic number.

It is an amenable number.

1313882113 is a deficient number, since it is larger than the sum of its proper divisors (5452035).

1313882113 is an equidigital number, since it uses as much as digits as its factorization.

1313882113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452034.

The product of its digits is 3456, while the sum is 31.

The square root of 1313882113 is about 36247.5118180545. The cubic root of 1313882113 is about 1095.2639669975.

The spelling of 1313882113 in words is "one billion, three hundred thirteen million, eight hundred eighty-two thousand, one hundred thirteen".