131061662528 has 28 divisors (see below), whose sum is σ = 260101392420. Its totient is φ = 65524303872.

The previous prime is 131061662513. The next prime is 131061662531. The reversal of 131061662528 is 825266160131.

It can be written as a sum of positive squares in 2 ways, for example, as 28154155264 + 102907507264 = 167792^2 + 320792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581000 + ... + 774392.

Almost surely, 2^131061662528 is an apocalyptic number.

It is an amenable number.

131061662528 is a deficient number, since it is larger than the sum of its proper divisors (129039729892).

131061662528 is a wasteful number, since it uses less digits than its factorization.

131061662528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203994 (or 203984 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 131061662528 in words is "one hundred thirty-one billion, sixty-one million, six hundred sixty-two thousand, five hundred twenty-eight".