131730248 has 32 divisors (see below), whose sum is σ = 266716800. Its totient is φ = 60633408.

The previous prime is 131730197. The next prime is 131730257. The reversal of 131730248 is 842037131.

131730248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 131730248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42065 + ... + 45087.

It is an arithmetic number, because the mean of its divisors is an integer number (8334900).

Almost surely, 2^131730248 is an apocalyptic number.

It is an amenable number.

131730248 is an abundant number, since it is smaller than the sum of its proper divisors (134986552).

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

131730248 is a wasteful number, since it uses less digits than its factorization.

131730248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461 (or 3457 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 131730248 is about 11477.3798403643. The cubic root of 131730248 is about 508.8172618018.

Adding to 131730248 its reverse (842037131), we get a palindrome (973767379).

The spelling of 131730248 in words is "one hundred thirty-one million, seven hundred thirty thousand, two hundred forty-eight".