131110101091 has 4 divisors (see below), whose sum is σ = 131132408400. Its totient is φ = 131087793784.

The previous prime is 131110101061. The next prime is 131110101121. The reversal of 131110101091 is 190101011131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190101011131 = 100937 ⋅1883363.

It is an interprime number because it is at equal distance from previous prime (131110101061) and next prime (131110101121).

It is a cyclic number.

It is not a de Polignac number, because 131110101091 - 2¹³ = 131110092899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131110101061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11144836 + ... + 11156593.

It is an arithmetic number, because the mean of its divisors is an integer number (32783102100).

Almost surely, 2^131110101091 is an apocalyptic number.

131110101091 is a deficient number, since it is larger than the sum of its proper divisors (22307309).

131110101091 is an equidigital number, since it uses as much as digits as its factorization.

131110101091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22307308.

The product of its (nonzero) digits is 27, while the sum is 19.

The spelling of 131110101091 in words is "one hundred thirty-one billion, one hundred ten million, one hundred one thousand, ninety-one".