131043245524 has 6 divisors (see below), whose sum is σ = 229325679674. Its totient is φ = 65521622760.

The previous prime is 131043245497. The next prime is 131043245549. The reversal of 131043245524 is 425542340131.

It can be written as a sum of positive squares in only one way, i.e., 84408843024 + 46634402500 = 290532^2 + 215950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131043245524.

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 as a sum of consecutive naturals, namely, 16380405687 + ... + 16380405694.

Almost surely, 2^131043245524 is an apocalyptic number.

It is an amenable number.

131043245524 is a deficient number, since it is larger than the sum of its proper divisors (98282434150).

131043245524 is a wasteful number, since it uses less digits than its factorization.

131043245524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32760811385 (or 32760811383 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 131043245524 its reverse (425542340131), we get a palindrome (556585585655).

The spelling of 131043245524 in words is "one hundred thirty-one billion, forty-three million, two hundred forty-five thousand, five hundred twenty-four".