131297248 has 24 divisors (see below), whose sum is σ = 269731728. Its totient is φ = 62793984.

The previous prime is 131297233. The next prime is 131297249. The reversal of 131297248 is 842792131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131297249) 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, 88461 + ... + 89932.

It is an arithmetic number, because the mean of its divisors is an integer number (11238822).

Almost surely, 2^131297248 is an apocalyptic number.

It is an amenable number.

131297248 is an abundant number, since it is smaller than the sum of its proper divisors (138434480).

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

131297248 is a wasteful number, since it uses less digits than its factorization.

131297248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178426 (or 178418 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 131297248 is about 11458.5011236200. The cubic root of 131297248 is about 508.2591522915.

The spelling of 131297248 in words is "one hundred thirty-one million, two hundred ninety-seven thousand, two hundred forty-eight".