2201312213 has 4 divisors (see below), whose sum is σ = 2204564460. Its totient is φ = 2198059968.

The previous prime is 2201312171. The next prime is 2201312219. The reversal of 2201312213 is 3122131022.

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 1416920164 + 784392049 = 37642^2 + 28007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201312213 - 2¹² = 2201308117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201312191 and 2201312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201312219) 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, 1625108 + ... + 1626461.

It is an arithmetic number, because the mean of its divisors is an integer number (551141115).

Almost surely, 2^2201312213 is an apocalyptic number.

It is an amenable number.

2201312213 is a deficient number, since it is larger than the sum of its proper divisors (3252247).

2201312213 is an equidigital number, since it uses as much as digits as its factorization.

2201312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252246.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2201312213 is about 46918.1437505791. The cubic root of 2201312213 is about 1300.8499792453.

Adding to 2201312213 its reverse (3122131022), we get a palindrome (5323443235).

The spelling of 2201312213 in words is "two billion, two hundred one million, three hundred twelve thousand, two hundred thirteen".