113013133 has 4 divisors (see below), whose sum is σ = 116067580. Its totient is φ = 109958688.

The previous prime is 113013091. The next prime is 113013149. The reversal of 113013133 is 331310311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331310311 = 59 ⋅5615429.

It can be written as a sum of positive squares in 2 ways, for example, as 76265289 + 36747844 = 8733^2 + 6062^2 .

It is a cyclic number.

It is not a de Polignac number, because 113013133 - 2⁹ = 113012621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113013193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527168 + ... + 1527241.

It is an arithmetic number, because the mean of its divisors is an integer number (29016895).

Almost surely, 2^113013133 is an apocalyptic number.

It is an amenable number.

113013133 is a deficient number, since it is larger than the sum of its proper divisors (3054447).

113013133 is an equidigital number, since it uses as much as digits as its factorization.

113013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054446.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 113013133 is about 10630.7635191457. The cubic root of 113013133 is about 483.4775413797.

Adding to 113013133 its reverse (331310311), we get a palindrome (444323444).

The spelling of 113013133 in words is "one hundred thirteen million, thirteen thousand, one hundred thirty-three".