131960308991 has 16 divisors (see below), whose sum is σ = 155723243520. Its totient is φ = 109427423040.

The previous prime is 131960308973. The next prime is 131960309011. The reversal of 131960308991 is 199803069131.

It is a cyclic number.

It is not a de Polignac number, because 131960308991 - 2⁶ = 131960308927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131960308091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650075 + ... + 828563.

It is an arithmetic number, because the mean of its divisors is an integer number (9732702720).

Almost surely, 2^131960308991 is an apocalyptic number.

131960308991 is a deficient number, since it is larger than the sum of its proper divisors (23762934529).

131960308991 is a wasteful number, since it uses less digits than its factorization.

131960308991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181934.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 131960308991 in words is "one hundred thirty-one billion, nine hundred sixty million, three hundred eight thousand, nine hundred ninety-one".