113205444213 has 32 divisors (see below), whose sum is σ = 157333242880. Its totient is φ = 72322398720.

The previous prime is 113205444193. The next prime is 113205444239. The reversal of 113205444213 is 312444502311.

It is not a de Polignac number, because 113205444213 - 2¹⁷ = 113205313141 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 (113205444713) 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 31 ways as a sum of consecutive naturals, for example, 32973945 + ... + 32977377.

It is an arithmetic number, because the mean of its divisors is an integer number (4916663840).

Almost surely, 2^113205444213 is an apocalyptic number.

It is an amenable number.

113205444213 is a deficient number, since it is larger than the sum of its proper divisors (44127798667).

113205444213 is a wasteful number, since it uses less digits than its factorization.

113205444213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 113205444213 its reverse (312444502311), we get a palindrome (425649946524).

The spelling of 113205444213 in words is "one hundred thirteen billion, two hundred five million, four hundred forty-four thousand, two hundred thirteen".