113113001 has 4 divisors (see below), whose sum is σ = 113134932. Its totient is φ = 113091072.

The previous prime is 113112997. The next prime is 113113003. The reversal of 113113001 is 100311311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101203600 + 11909401 = 10060^2 + 3451^2 .

It is a cyclic number.

It is not a de Polignac number, because 113113001 - 2² = 113112997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113113003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481 + ... + 15113.

It is an arithmetic number, because the mean of its divisors is an integer number (28283733).

Almost surely, 2^113113001 is an apocalyptic number.

It is an amenable number.

113113001 is a deficient number, since it is larger than the sum of its proper divisors (21931).

113113001 is an equidigital number, since it uses as much as digits as its factorization.

113113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21930.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 113113001 is about 10635.4596045493. The cubic root of 113113001 is about 483.6199133861.

Adding to 113113001 its reverse (100311311), we get a palindrome (213424312).

The spelling of 113113001 in words is "one hundred thirteen million, one hundred thirteen thousand, one".