131040244 has 6 divisors (see below), whose sum is σ = 229320434. Its totient is φ = 65520120.

The previous prime is 131040229. The next prime is 131040253. The reversal of 131040244 is 442040131.

It can be written as a sum of positive squares in only one way, i.e., 120736144 + 10304100 = 10988^2 + 3210^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16380027 + ... + 16380034.

Almost surely, 2^131040244 is an apocalyptic number.

It is an amenable number.

131040244 is a deficient number, since it is larger than the sum of its proper divisors (98280190).

131040244 is a wasteful number, since it uses less digits than its factorization.

131040244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32760065 (or 32760063 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 131040244 is about 11447.2810745609. The cubic root of 131040244 is about 507.9273099539.

Adding to 131040244 its reverse (442040131), we get a palindrome (573080375).

The spelling of 131040244 in words is "one hundred thirty-one million, forty thousand, two hundred forty-four".