131172248 has 16 divisors (see below), whose sum is σ = 246078000. Its totient is φ = 65551456.

The previous prime is 131172247. The next prime is 131172259. The reversal of 131172248 is 842271131.

It is a self number, because there is not a number n which added to its sum of digits gives 131172248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131172247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19373 + ... + 25251.

It is an arithmetic number, because the mean of its divisors is an integer number (15379875).

Almost surely, 2^131172248 is an apocalyptic number.

It is an amenable number.

131172248 is a deficient number, since it is larger than the sum of its proper divisors (114905752).

131172248 is a wasteful number, since it uses less digits than its factorization.

131172248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674 (or 8670 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 131172248 is about 11453.0453592047. The cubic root of 131172248 is about 508.0978070300.

The spelling of 131172248 in words is "one hundred thirty-one million, one hundred seventy-two thousand, two hundred forty-eight".