131882317 has 4 divisors (see below), whose sum is σ = 150722656. Its totient is φ = 113041980.

The previous prime is 131882297. The next prime is 131882321. The reversal of 131882317 is 713288131.

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: 713288131 = 1697 ⋅420323.

It is a cyclic number.

It is not a de Polignac number, because 131882317 - 2²³ = 123493709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131882347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9420159 + ... + 9420172.

It is an arithmetic number, because the mean of its divisors is an integer number (37680664).

Almost surely, 2^131882317 is an apocalyptic number.

It is an amenable number.

131882317 is a deficient number, since it is larger than the sum of its proper divisors (18840339).

131882317 is an equidigital number, since it uses as much as digits as its factorization.

131882317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18840338.

The product of its digits is 8064, while the sum is 34.

The square root of 131882317 is about 11484.0026558687. The cubic root of 131882317 is about 509.0129788789.

The spelling of 131882317 in words is "one hundred thirty-one million, eight hundred eighty-two thousand, three hundred seventeen".