671211103 has 2 divisors, whose sum is σ = 671211104. Its totient is φ = 671211102.

The previous prime is 671211091. The next prime is 671211113. The reversal of 671211103 is 301112176.

671211103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671211103 - 2⁹ = 671210591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671211113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335605551 + 335605552.

It is an arithmetic number, because the mean of its divisors is an integer number (335605552).

Almost surely, 2^671211103 is an apocalyptic number.

671211103 is a deficient number, since it is larger than the sum of its proper divisors (1).

671211103 is an equidigital number, since it uses as much as digits as its factorization.

671211103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 671211103 is about 25907.7421440001. The cubic root of 671211103 is about 875.5609368672.

Adding to 671211103 its reverse (301112176), we get a palindrome (972323279).

The spelling of 671211103 in words is "six hundred seventy-one million, two hundred eleven thousand, one hundred three".