27311103 has 12 divisors (see below), whose sum is σ = 40096888. Its totient is φ = 17908560.

The previous prime is 27311101. The next prime is 27311117. The reversal of 27311103 is 30111372.

It is not a de Polignac number, because 27311103 - 2¹ = 27311101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27311101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24325 + ... + 25422.

Almost surely, 2^27311103 is an apocalyptic number.

27311103 is a deficient number, since it is larger than the sum of its proper divisors (12785785).

27311103 is a wasteful number, since it uses less digits than its factorization.

27311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49814 (or 49811 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 27311103 is about 5226.0025832370. The cubic root of 27311103 is about 301.1478359741.

Adding to 27311103 its reverse (30111372), we get a palindrome (57422475).

The spelling of 27311103 in words is "twenty-seven million, three hundred eleven thousand, one hundred three".