2103113 has 4 divisors (see below), whose sum is σ = 2112768.
Its totient is φ = 2093460.
The previous prime is 2103107. The next prime is 2103119. The reversal of 2103113 is 3113012.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (2103107) and next prime (2103119).
It is a cyclic number.
It is not a de Polignac number, because 2103113 - 28 = 2102857 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2103094 and 2103103.
It is not an unprimeable number, because it can be changed into a prime (2103119) 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, 4493 + ... + 4938.
It is an arithmetic number, because the mean of its divisors is an integer number (528192).
22103113 is an apocalyptic number.
It is an amenable number.
2103113 is a deficient number, since it is larger than the sum of its proper divisors (9655).
2103113 is an equidigital number, since it uses as much as digits as its factorization.
2103113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9654.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 2103113 is about 1450.2113639053.
The cubic root of 2103113 is about 128.1211621297.
Adding to 2103113 its reverse (3113012), we get a palindrome (5216125).
The spelling of 2103113 in words is "two million, one hundred three thousand, one hundred thirteen".