131288248 has 48 divisors (see below), whose sum is σ = 308395080. Its totient is φ = 51936192.

The previous prime is 131288231. The next prime is 131288279. The reversal of 131288248 is 842882131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7786 + ... + 17977.

Almost surely, 2^131288248 is an apocalyptic number.

It is an amenable number.

131288248 is an abundant number, since it is smaller than the sum of its proper divisors (177106832).

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

131288248 is a wasteful number, since it uses less digits than its factorization.

131288248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25796 (or 25785 counting only the distinct ones).

The product of its digits is 24576, while the sum is 37.

The square root of 131288248 is about 11458.1083953679. The cubic root of 131288248 is about 508.2475388547.

The spelling of 131288248 in words is "one hundred thirty-one million, two hundred eighty-eight thousand, two hundred forty-eight".