131055424 has 14 divisors (see below), whose sum is σ = 260063234. Its totient is φ = 65527680.

The previous prime is 131055401. The next prime is 131055427. The reversal of 131055424 is 424550131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 120297024 + 10758400 = 10968^2 + 3280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131055427) 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 as a sum of consecutive naturals, namely, 1023807 + ... + 1023934.

Almost surely, 2^131055424 is an apocalyptic number.

It is an amenable number.

131055424 is a deficient number, since it is larger than the sum of its proper divisors (129007810).

131055424 is an equidigital number, since it uses as much as digits as its factorization.

131055424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047753 (or 2047743 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 131055424 is about 11447.9440949019. The cubic root of 131055424 is about 507.9469223483.

The spelling of 131055424 in words is "one hundred thirty-one million, fifty-five thousand, four hundred twenty-four".