131245830172 has 12 divisors (see below), whose sum is σ = 229691828520. Its totient is φ = 65619593456.

The previous prime is 131245830109. The next prime is 131245830173. The reversal of 131245830172 is 271038542131.

131245830172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131245830173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 740422 + ... + 900397.

It is an arithmetic number, because the mean of its divisors is an integer number (19140985710).

Almost surely, 2^131245830172 is an apocalyptic number.

It is an amenable number.

131245830172 is a deficient number, since it is larger than the sum of its proper divisors (98445998348).

131245830172 is a wasteful number, since it uses less digits than its factorization.

131245830172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660820 (or 1660818 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 131245830172 in words is "one hundred thirty-one billion, two hundred forty-five million, eight hundred thirty thousand, one hundred seventy-two".