103171109 has 2 divisors, whose sum is σ = 103171110. Its totient is φ = 103171108.

The previous prime is 103171099. The next prime is 103171127. The reversal of 103171109 is 901171301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 35438209 = 8230^2 + 5953^2 .

It is a cyclic number.

It is not a de Polignac number, because 103171109 - 2⁴ = 103171093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103171199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51585554 + 51585555.

It is an arithmetic number, because the mean of its divisors is an integer number (51585555).

Almost surely, 2^103171109 is an apocalyptic number.

It is an amenable number.

103171109 is a deficient number, since it is larger than the sum of its proper divisors (1).

103171109 is an equidigital number, since it uses as much as digits as its factorization.

103171109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 103171109 is about 10157.3180023075. The cubic root of 103171109 is about 469.0142445168.

The spelling of 103171109 in words is "one hundred three million, one hundred seventy-one thousand, one hundred nine".