131032529856 has 84 divisors (see below), whose sum is σ = 375647790232. Its totient is φ = 43669753344.

The previous prime is 131032529851. The next prime is 131032529863. The reversal of 131032529856 is 658925230131.

131032529856 is a `hidden beast` number, since 1 + 3 + 10 + 32 + 529 + 85 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131032529851) 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 in 11 ways as a sum of consecutive naturals, for example, 3878670 + ... + 3912306.

Almost surely, 2^131032529856 is an apocalyptic number.

131032529856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131032529856 is an abundant number, since it is smaller than the sum of its proper divisors (244615260376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131032529856 is a wasteful number, since it uses less digits than its factorization.

131032529856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40418 (or 40405 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

Adding to 131032529856 its reverse (658925230131), we get a palindrome (789957759987).

The spelling of 131032529856 in words is "one hundred thirty-one billion, thirty-two million, five hundred twenty-nine thousand, eight hundred fifty-six".