131023825173 has 96 divisors (see below), whose sum is σ = 210161952000. Its totient is φ = 78370575360.

The previous prime is 131023825171. The next prime is 131023825189. The reversal of 131023825173 is 371528320131.

It is a happy number.

131023825173 is a `hidden beast` number, since 1 + 3 + 102 + 38 + 2 + 517 + 3 = 666.

It is not a de Polignac number, because 131023825173 - 2¹ = 131023825171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023825171) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66206098 + ... + 66208076.

It is an arithmetic number, because the mean of its divisors is an integer number (2189187000).

Almost surely, 2^131023825173 is an apocalyptic number.

It is an amenable number.

131023825173 is a deficient number, since it is larger than the sum of its proper divisors (79138126827).

131023825173 is a wasteful number, since it uses less digits than its factorization.

131023825173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 131023825173 in words is "one hundred thirty-one billion, twenty-three million, eight hundred twenty-five thousand, one hundred seventy-three".