113440433321 has 4 divisors (see below), whose sum is σ = 113573424132. Its totient is φ = 113307442512.

The previous prime is 113440433303. The next prime is 113440433357. The reversal of 113440433321 is 123334044311.

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 9150835600 + 104289597721 = 95660^2 + 322939^2 .

It is a cyclic number.

It is not a de Polignac number, because 113440433321 - 2⁶ = 113440433257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113440433021) 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, 66494126 + ... + 66495831.

It is an arithmetic number, because the mean of its divisors is an integer number (28393356033).

Almost surely, 2^113440433321 is an apocalyptic number.

It is an amenable number.

113440433321 is a deficient number, since it is larger than the sum of its proper divisors (132990811).

113440433321 is an equidigital number, since it uses as much as digits as its factorization.

113440433321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132990810.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 113440433321 its reverse (123334044311), we get a palindrome (236774477632).

The spelling of 113440433321 in words is "one hundred thirteen billion, four hundred forty million, four hundred thirty-three thousand, three hundred twenty-one".