131520342224 has 40 divisors (see below), whose sum is σ = 259560756840. Its totient is φ = 64541606400.

The previous prime is 131520342211. The next prime is 131520342251. The reversal of 131520342224 is 422243025131.

131520342224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7849960000 + 123670382224 = 88600^2 + 351668^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303782 + ... + 596090.

It is an arithmetic number, because the mean of its divisors is an integer number (6489018921).

Almost surely, 2^131520342224 is an apocalyptic number.

It is an amenable number.

131520342224 is a deficient number, since it is larger than the sum of its proper divisors (128040414616).

131520342224 is a wasteful number, since it uses less digits than its factorization.

131520342224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292839 (or 292833 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 131520342224 its reverse (422243025131), we get a palindrome (553763367355).

The spelling of 131520342224 in words is "one hundred thirty-one billion, five hundred twenty million, three hundred forty-two thousand, two hundred twenty-four".