113303201321 has 4 divisors (see below), whose sum is σ = 113310466500. Its totient is φ = 113295936144.

The previous prime is 113303201311. The next prime is 113303201339. The reversal of 113303201321 is 123102303311.

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 104289597721 + 9013603600 = 322939^2 + 94940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113303201321 is a prime.

It is a super-2 number, since 2×113303201321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113303201293 and 113303201302.

It is not an unprimeable number, because it can be changed into a prime (113303201311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3609146 + ... + 3640403.

It is an arithmetic number, because the mean of its divisors is an integer number (28327616625).

Almost surely, 2^113303201321 is an apocalyptic number.

It is an amenable number.

113303201321 is a deficient number, since it is larger than the sum of its proper divisors (7265179).

113303201321 is an equidigital number, since it uses as much as digits as its factorization.

113303201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265178.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 113303201321 its reverse (123102303311), we get a palindrome (236405504632).

The spelling of 113303201321 in words is "one hundred thirteen billion, three hundred three million, two hundred one thousand, three hundred twenty-one".