131602228176 has 80 divisors (see below), whose sum is σ = 347921731584. Its totient is φ = 42845542272.

The previous prime is 131602228141. The next prime is 131602228213. The reversal of 131602228176 is 671822206131.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1038781 + ... + 1158563.

Almost surely, 2^131602228176 is an apocalyptic number.

131602228176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131602228176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173960865792).

131602228176 is an abundant number, since it is smaller than the sum of its proper divisors (216319503408).

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

131602228176 is a wasteful number, since it uses less digits than its factorization.

131602228176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120328 (or 120322 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 131602228176 in words is "one hundred thirty-one billion, six hundred two million, two hundred twenty-eight thousand, one hundred seventy-six".