113320091 has 2 divisors, whose sum is σ = 113320092. Its totient is φ = 113320090.

The previous prime is 113320073. The next prime is 113320111. The reversal of 113320091 is 190023311.

It is an a-pointer prime, because the next prime (113320111) can be obtained adding 113320091 to its sum of digits (20).

It is a weak prime.

It is an emirp because it is prime and its reverse (190023311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113320091 is a prime.

It is not a weakly prime, because it can be changed into another prime (113320001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56660045 + 56660046.

It is an arithmetic number, because the mean of its divisors is an integer number (56660046).

Almost surely, 2^113320091 is an apocalyptic number.

113320091 is a deficient number, since it is larger than the sum of its proper divisors (1).

113320091 is an equidigital number, since it uses as much as digits as its factorization.

113320091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 113320091 is about 10645.1909799684. The cubic root of 113320091 is about 483.9148744378.

The spelling of 113320091 in words is "one hundred thirteen million, three hundred twenty thousand, ninety-one".