2103313 has 4 divisors (see below), whose sum is σ = 2107188. Its totient is φ = 2099440.

The previous prime is 2103307. The next prime is 2103317. The reversal of 2103313 is 3133012.

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 1056784 + 1046529 = 1028^2 + 1023^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103313 - 2⁹ = 2102801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103293 and 2103302.

It is not an unprimeable number, because it can be changed into a prime (2103317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (526797).

2^2103313 is an apocalyptic number.

It is an amenable number.

2103313 is a deficient number, since it is larger than the sum of its proper divisors (3875).

2103313 is an equidigital number, since it uses as much as digits as its factorization.

2103313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 2103313 is about 1450.2803177317. The cubic root of 2103313 is about 128.1252233191.

Adding to 2103313 its reverse (3133012), we get a palindrome (5236325).

The spelling of 2103313 in words is "two million, one hundred three thousand, three hundred thirteen".