131082469717 has 4 divisors (see below), whose sum is σ = 131083206220. Its totient is φ = 131081733216.

The previous prime is 131082469691. The next prime is 131082469759. The reversal of 131082469717 is 717964280131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 717964280131 = 7 ⋅102566325733.

It can be written as a sum of positive squares in 2 ways, for example, as 121944830436 + 9137639281 = 349206^2 + 95591^2 .

It is a cyclic number.

It is not a de Polignac number, because 131082469717 - 2²³ = 131074081109 is a prime.

It is a super-2 number, since 2×131082469717² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131082869717) 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 3 ways as a sum of consecutive naturals, for example, 83209 + ... + 518737.

It is an arithmetic number, because the mean of its divisors is an integer number (32770801555).

Almost surely, 2^131082469717 is an apocalyptic number.

It is an amenable number.

131082469717 is a deficient number, since it is larger than the sum of its proper divisors (736503).

131082469717 is an equidigital number, since it uses as much as digits as its factorization.

131082469717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736502.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 131082469717 in words is "one hundred thirty-one billion, eighty-two million, four hundred sixty-nine thousand, seven hundred seventeen".