113313133 has 4 divisors (see below), whose sum is σ = 113464768. Its totient is φ = 113161500.

The previous prime is 113313061. The next prime is 113313163. The reversal of 113313133 is 331313311.

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 113313133 - 2⁹ = 113312621 is a prime.

It is a super-2 number, since 2×113313133² = 25679732220551378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113313133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113313163) 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, 74691 + ... + 76192.

It is an arithmetic number, because the mean of its divisors is an integer number (28366192).

Almost surely, 2^113313133 is an apocalyptic number.

It is an amenable number.

113313133 is a deficient number, since it is larger than the sum of its proper divisors (151635).

113313133 is an equidigital number, since it uses as much as digits as its factorization.

113313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151634.

The product of its digits is 243, while the sum is 19.

The square root of 113313133 is about 10644.8641607115. The cubic root of 113313133 is about 483.9049699022.

Adding to 113313133 its reverse (331313311), we get a palindrome (444626444).

It can be divided in two parts, 11 and 3313133, that multiplied together give a palindrome (36444463).

The spelling of 113313133 in words is "one hundred thirteen million, three hundred thirteen thousand, one hundred thirty-three".