131711723806 has 8 divisors (see below), whose sum is σ = 212765092344. Its totient is φ = 60790026360.

The previous prime is 131711723783. The next prime is 131711723813. The reversal of 131711723806 is 608327117131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 2532917740 + ... + 2532917791.

It is an arithmetic number, because the mean of its divisors is an integer number (26595636543).

Almost surely, 2^131711723806 is an apocalyptic number.

131711723806 is a deficient number, since it is larger than the sum of its proper divisors (81053368538).

131711723806 is a wasteful number, since it uses less digits than its factorization.

131711723806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065835546.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 131711723806 in words is "one hundred thirty-one billion, seven hundred eleven million, seven hundred twenty-three thousand, eight hundred six".