131317195849 has 8 divisors (see below), whose sum is σ = 152316747968. Its totient is φ = 110877631920.

The previous prime is 131317195771. The next prime is 131317195903. The reversal of 131317195849 is 948591713131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131317195849 - 2²³ = 131308807241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131317195796 and 131317195805.

It is not an unprimeable number, because it can be changed into a prime (131317196849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139996542 + ... + 139997479.

It is an arithmetic number, because the mean of its divisors is an integer number (19039593496).

Almost surely, 2^131317195849 is an apocalyptic number.

It is an amenable number.

131317195849 is a deficient number, since it is larger than the sum of its proper divisors (20999552119).

131317195849 is an equidigital number, since it uses as much as digits as its factorization.

131317195849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279994095.

The product of its digits is 816480, while the sum is 52.

The spelling of 131317195849 in words is "one hundred thirty-one billion, three hundred seventeen million, one hundred ninety-five thousand, eight hundred forty-nine".