131168832372 has 18 divisors (see below), whose sum is σ = 331565659698. Its totient is φ = 43722944112.

The previous prime is 131168832371. The next prime is 131168832401. The reversal of 131168832372 is 273238861131.

131168832372 is a `hidden beast` number, since 1 + 311 + 6 + 8 + 8 + 323 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 129798796176 + 1370036196 = 360276^2 + 37014^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131168832371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1821789303 + ... + 1821789374.

Almost surely, 2^131168832372 is an apocalyptic number.

131168832372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131168832372 is an abundant number, since it is smaller than the sum of its proper divisors (200396827326).

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

131168832372 is a wasteful number, since it uses less digits than its factorization.

131168832372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643578687 (or 3643578682 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

It can be divided in two parts, 13116 and 8832372, that added together give a palindrome (8845488).

The spelling of 131168832372 in words is "one hundred thirty-one billion, one hundred sixty-eight million, eight hundred thirty-two thousand, three hundred seventy-two".