113331001 has 4 divisors (see below), whose sum is σ = 129521152. Its totient is φ = 97140852.

The previous prime is 113330983. The next prime is 113331007. The reversal of 113331001 is 100133311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113331001 - 2²¹ = 111233849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113331007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8095065 + ... + 8095078.

It is an arithmetic number, because the mean of its divisors is an integer number (32380288).

Almost surely, 2^113331001 is an apocalyptic number.

It is an amenable number.

113331001 is a deficient number, since it is larger than the sum of its proper divisors (16190151).

113331001 is an equidigital number, since it uses as much as digits as its factorization.

113331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16190150.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 113331001 is about 10645.7034055998. The cubic root of 113331001 is about 483.9304037284.

Adding to 113331001 its reverse (100133311), we get a palindrome (213464312).

The spelling of 113331001 in words is "one hundred thirteen million, three hundred thirty-one thousand, one".