131322271165 has 8 divisors (see below), whose sum is σ = 158630347008. Its totient is φ = 104362069200.

The previous prime is 131322271033. The next prime is 131322271169. The reversal of 131322271165 is 561172223131.

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

It is not a de Polignac number, because 131322271165 - 2¹⁷ = 131322140093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131322271165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322271169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86967637 + ... + 86969146.

It is an arithmetic number, because the mean of its divisors is an integer number (19828793376).

Almost surely, 2^131322271165 is an apocalyptic number.

It is an amenable number.

131322271165 is a deficient number, since it is larger than the sum of its proper divisors (27308075843).

131322271165 is a wasteful number, since it uses less digits than its factorization.

131322271165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173936939.

The product of its digits is 15120, while the sum is 34.

Adding to 131322271165 its reverse (561172223131), we get a palindrome (692494494296).

The spelling of 131322271165 in words is "one hundred thirty-one billion, three hundred twenty-two million, two hundred seventy-one thousand, one hundred sixty-five".