131608911 has 16 divisors (see below), whose sum is σ = 204332544. Its totient is φ = 73785504.

The previous prime is 131608909. The next prime is 131608927. The reversal of 131608911 is 119806131.

It is not a de Polignac number, because 131608911 - 2¹ = 131608909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131608111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58011 + ... + 60236.

It is an arithmetic number, because the mean of its divisors is an integer number (12770784).

Almost surely, 2^131608911 is an apocalyptic number.

131608911 is a deficient number, since it is larger than the sum of its proper divisors (72723633).

131608911 is a wasteful number, since it uses less digits than its factorization.

131608911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118310.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 131608911 is about 11472.0927036003. The cubic root of 131608911 is about 508.6609896054.

The spelling of 131608911 in words is "one hundred thirty-one million, six hundred eight thousand, nine hundred eleven".