2211313 has 4 divisors (see below), whose sum is σ = 2381428. Its totient is φ = 2041200.

The previous prime is 2211281. The next prime is 2211329. The reversal of 2211313 is 3131122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3131122 = 2 ⋅1565561.

It can be written as a sum of positive squares in 2 ways, for example, as 339889 + 1871424 = 583^2 + 1368^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211313 - 2⁵ = 2211281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 170101 = 2211313 / (2 + 2 + 1 + 1 + 3 + 1 + 3).

It is a Duffinian number.

2211313 is a modest number, since divided by 1313 gives 221 as remainder.

2211313 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2211293 and 2211302.

It is not an unprimeable number, because it can be changed into a prime (2211373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85038 + ... + 85063.

It is an arithmetic number, because the mean of its divisors is an integer number (595357).

2^2211313 is an apocalyptic number.

It is an amenable number.

2211313 is a deficient number, since it is larger than the sum of its proper divisors (170115).

2211313 is a wasteful number, since it uses less digits than its factorization.

2211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170114.

The product of its digits is 36, while the sum is 13.

The square root of 2211313 is about 1487.0484188486. The cubic root of 2211313 is about 130.2816968429.

Adding to 2211313 its reverse (3131122), we get a palindrome (5342435).

The spelling of 2211313 in words is "two million, two hundred eleven thousand, three hundred thirteen".