131848281 has 6 divisors (see below), whose sum is σ = 190447530. Its totient is φ = 87898848.

The previous prime is 131848271. The next prime is 131848307. The reversal of 131848281 is 182848131.

It can be written as a sum of positive squares in only one way, i.e., 114832656 + 17015625 = 10716^2 + 4125^2 .

It is not a de Polignac number, because 131848281 - 2⁹ = 131847769 is a prime.

It is a super-2 number, since 2×131848281² = 34767938405309922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131848261) 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 5 ways as a sum of consecutive naturals, for example, 7324896 + ... + 7324913.

It is an arithmetic number, because the mean of its divisors is an integer number (31741255).

Almost surely, 2^131848281 is an apocalyptic number.

It is an amenable number.

131848281 is a deficient number, since it is larger than the sum of its proper divisors (58599249).

131848281 is a wasteful number, since it uses less digits than its factorization.

131848281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14649815 (or 14649812 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 131848281 is about 11482.5206727443. The cubic root of 131848281 is about 508.9691866639.

The spelling of 131848281 in words is "one hundred thirty-one million, eight hundred forty-eight thousand, two hundred eighty-one".