2031103 has 2 divisors, whose sum is σ = 2031104. Its totient is φ = 2031102.

The previous prime is 2031077. The next prime is 2031121. The reversal of 2031103 is 3011302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031103 - 2⁹ = 2030591 is a prime.

2031103 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015551 + 1015552.

It is an arithmetic number, because the mean of its divisors is an integer number (1015552).

2^2031103 is an apocalyptic number.

2031103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031103 is an equidigital number, since it uses as much as digits as its factorization.

2031103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 2031103 is about 1425.1677094293. The cubic root of 2031103 is about 126.6418703385.

Adding to 2031103 its reverse (3011302), we get a palindrome (5042405).

The spelling of 2031103 in words is "two million, thirty-one thousand, one hundred three".