131317219 has 8 divisors (see below), whose sum is σ = 146749680. Its totient is φ = 116467200.

The previous prime is 131317217. The next prime is 131317223. The reversal of 131317219 is 912713131.

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 131317219 - 2¹ = 131317217 is a prime.

It is a super-2 number, since 2×131317219² = 34488424011787922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131317211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145134 + ... + 146035.

It is an arithmetic number, because the mean of its divisors is an integer number (18343710).

Almost surely, 2^131317219 is an apocalyptic number.

131317219 is a deficient number, since it is larger than the sum of its proper divisors (15432461).

131317219 is a wasteful number, since it uses less digits than its factorization.

131317219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291221.

The product of its digits is 1134, while the sum is 28.

The square root of 131317219 is about 11459.3725395416. The cubic root of 131317219 is about 508.2849206126.

The spelling of 131317219 in words is "one hundred thirty-one million, three hundred seventeen thousand, two hundred nineteen".