113233231 has 4 divisors (see below), whose sum is σ = 113395464. Its totient is φ = 113071000.

The previous prime is 113233229. The next prime is 113233247. The reversal of 113233231 is 132332311.

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

It is a cyclic number.

It is not a de Polignac number, because 113233231 - 2¹ = 113233229 is a prime.

It is a super-2 number, since 2×113233231² = 25643529205398722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113233199 and 113233208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113233031) 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, 80065 + ... + 81466.

It is an arithmetic number, because the mean of its divisors is an integer number (28348866).

Almost surely, 2^113233231 is an apocalyptic number.

113233231 is a deficient number, since it is larger than the sum of its proper divisors (162233).

113233231 is an equidigital number, since it uses as much as digits as its factorization.

113233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162232.

The product of its digits is 324, while the sum is 19.

The square root of 113233231 is about 10641.1104213799. The cubic root of 113233231 is about 483.7912023699.

Adding to 113233231 its reverse (132332311), we get a palindrome (245565542).

The spelling of 113233231 in words is "one hundred thirteen million, two hundred thirty-three thousand, two hundred thirty-one".