113321322013 has 4 divisors (see below), whose sum is σ = 113603919228. Its totient is φ = 113038724800.

The previous prime is 113321322001. The next prime is 113321322019. The reversal of 113321322013 is 310223123311.

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 101440976004 + 11880346009 = 318498^2 + 108997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113321322013 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 (113321322019) 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, 141298006 + ... + 141298807.

It is an arithmetic number, because the mean of its divisors is an integer number (28400979807).

Almost surely, 2^113321322013 is an apocalyptic number.

It is an amenable number.

113321322013 is a deficient number, since it is larger than the sum of its proper divisors (282597215).

113321322013 is an equidigital number, since it uses as much as digits as its factorization.

113321322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282597214.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 113321322013 its reverse (310223123311), we get a palindrome (423544445324).

The spelling of 113321322013 in words is "one hundred thirteen billion, three hundred twenty-one million, three hundred twenty-two thousand, thirteen".