131601831188 has 12 divisors (see below), whose sum is σ = 230336712480. Its totient is φ = 65791341912.

The previous prime is 131601831169. The next prime is 131601831223. The reversal of 131601831188 is 881138106131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362448 + ... + 2417511.

It is an arithmetic number, because the mean of its divisors is an integer number (19194726040).

Almost surely, 2^131601831188 is an apocalyptic number.

It is an amenable number.

131601831188 is a deficient number, since it is larger than the sum of its proper divisors (98734881292).

131601831188 is a wasteful number, since it uses less digits than its factorization.

131601831188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786846 (or 4786844 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 41.

The spelling of 131601831188 in words is "one hundred thirty-one billion, six hundred one million, eight hundred thirty-one thousand, one hundred eighty-eight".