131323132111091 has 32 divisors (see below), whose sum is σ = 137089353139200. Its totient is φ = 125717250410496.

The previous prime is 131323132111079. The next prime is 131323132111153. The reversal of 131323132111091 is 190111231323131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131323132111091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131323132111001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178075475 + ... + 178811411.

It is an arithmetic number, because the mean of its divisors is an integer number (4284042285600).

Almost surely, 2^{131323132111091} is an apocalyptic number.

131323132111091 is a deficient number, since it is larger than the sum of its proper divisors (5766221028109).

131323132111091 is a wasteful number, since it uses less digits than its factorization.

131323132111091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736523.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 131323132111091 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, one hundred thirty-two million, one hundred eleven thousand, ninety-one".