12313886181 has 4 divisors (see below), whose sum is σ = 16418514912. Its totient is φ = 8209257452.

The previous prime is 12313886173. The next prime is 12313886191. The reversal of 12313886181 is 18168831321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18168831321 = 3 ⋅6056277107.

It is a cyclic number.

It is not a de Polignac number, because 12313886181 - 2³ = 12313886173 is a prime.

It is a super-2 number, since 2×12313886181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313886141) 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, 2052314361 + ... + 2052314366.

It is an arithmetic number, because the mean of its divisors is an integer number (4104628728).

Almost surely, 2^12313886181 is an apocalyptic number.

It is an amenable number.

12313886181 is a deficient number, since it is larger than the sum of its proper divisors (4104628731).

12313886181 is an equidigital number, since it uses as much as digits as its factorization.

12313886181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104628730.

The product of its digits is 55296, while the sum is 42.

The spelling of 12313886181 in words is "twelve billion, three hundred thirteen million, eight hundred eighty-six thousand, one hundred eighty-one".