2201323013 has 4 divisors (see below), whose sum is σ = 2330812620. Its totient is φ = 2071833408.

The previous prime is 2201323009. The next prime is 2201323057. The reversal of 2201323013 is 3103231022.

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 2019423844 + 181899169 = 44938^2 + 13487^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201323013 - 2² = 2201323009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 129489589 = 2201323013 / (2 + 2 + 0 + 1 + 3 + 2 + 3 + 0 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201322982 and 2201323000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201323613) 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, 64744778 + ... + 64744811.

It is an arithmetic number, because the mean of its divisors is an integer number (582703155).

Almost surely, 2^2201323013 is an apocalyptic number.

It is an amenable number.

2201323013 is a deficient number, since it is larger than the sum of its proper divisors (129489607).

2201323013 is a wasteful number, since it uses less digits than its factorization.

2201323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129489606.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2201323013 is about 46918.2588445053. The cubic root of 2201323013 is about 1300.8521066365.

Adding to 2201323013 its reverse (3103231022), we get a palindrome (5304554035).

The spelling of 2201323013 in words is "two billion, two hundred one million, three hundred twenty-three thousand, thirteen".