2103311 has 8 divisors (see below), whose sum is σ = 2414880. Its totient is φ = 1794528.

The previous prime is 2103307. The next prime is 2103317. The reversal of 2103311 is 1133012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103311 - 2² = 2103307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103292 and 2103301.

It is a congruent number.

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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (301860).

2^2103311 is an apocalyptic number.

2103311 is a deficient number, since it is larger than the sum of its proper divisors (311569).

2103311 is a wasteful number, since it uses less digits than its factorization.

2103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2103311 is about 1450.2796282097. The cubic root of 2103311 is about 128.1251827084.

Adding to 2103311 its reverse (1133012), we get a palindrome (3236323).

Subtracting from 2103311 its reverse (1133012), we obtain a cube (970299 = 99³).

The spelling of 2103311 in words is "two million, one hundred three thousand, three hundred eleven".