113313020321 has 4 divisors (see below), whose sum is σ = 113317871172. Its totient is φ = 113308169472.

The previous prime is 113313020297. The next prime is 113313020329. The reversal of 113313020321 is 123020313311.

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 111496555921 + 1816464400 = 333911^2 + 42620^2 .

It is a cyclic number.

It is not a de Polignac number, because 113313020321 - 2¹⁸ = 113312758177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113313020293 and 113313020302.

It is not an unprimeable number, because it can be changed into a prime (113313020329) 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, 2390216 + ... + 2437161.

It is an arithmetic number, because the mean of its divisors is an integer number (28329467793).

Almost surely, 2^113313020321 is an apocalyptic number.

It is an amenable number.

113313020321 is a deficient number, since it is larger than the sum of its proper divisors (4850851).

113313020321 is an equidigital number, since it uses as much as digits as its factorization.

113313020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850850.

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

Adding to 113313020321 its reverse (123020313311), we get a palindrome (236333333632).

The spelling of 113313020321 in words is "one hundred thirteen billion, three hundred thirteen million, twenty thousand, three hundred twenty-one".