131171348 has 48 divisors (see below), whose sum is σ = 288465408. Its totient is φ = 50700000.

The previous prime is 131171347. The next prime is 131171387. The reversal of 131171348 is 843171131.

It is a super-2 number, since 2×131171348² = 34411845072274208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 131171348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131171347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38723 + ... + 41973.

It is an arithmetic number, because the mean of its divisors is an integer number (6009696).

Almost surely, 2^131171348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131171348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144232704).

131171348 is an abundant number, since it is smaller than the sum of its proper divisors (157294060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131171348 is a wasteful number, since it uses less digits than its factorization.

131171348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404 (or 3402 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 131171348 is about 11453.0060682774. The cubic root of 131171348 is about 508.0966449725.

The spelling of 131171348 in words is "one hundred thirty-one million, one hundred seventy-one thousand, three hundred forty-eight".