113443331213 has 4 divisors (see below), whose sum is σ = 113895296928. Its totient is φ = 112991365500.

The previous prime is 113443331123. The next prime is 113443331257. The reversal of 113443331213 is 312133344311.

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 113443331213 - 2²⁰ = 113442282637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113443331413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225982481 + ... + 225982982.

It is an arithmetic number, because the mean of its divisors is an integer number (28473824232).

Almost surely, 2^113443331213 is an apocalyptic number.

It is an amenable number.

113443331213 is a deficient number, since it is larger than the sum of its proper divisors (451965715).

113443331213 is an equidigital number, since it uses as much as digits as its factorization.

113443331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451965714.

The product of its digits is 7776, while the sum is 29.

Adding to 113443331213 its reverse (312133344311), we get a palindrome (425576675524).

The spelling of 113443331213 in words is "one hundred thirteen billion, four hundred forty-three million, three hundred thirty-one thousand, two hundred thirteen".