103511117 has 2 divisors, whose sum is σ = 103511118. Its totient is φ = 103511116.

The previous prime is 103511099. The next prime is 103511123. The reversal of 103511117 is 711115301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103510276 + 841 = 10174^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 103511117 - 2⁶ = 103511053 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 (103511137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51755558 + 51755559.

It is an arithmetic number, because the mean of its divisors is an integer number (51755559).

Almost surely, 2^103511117 is an apocalyptic number.

It is an amenable number.

103511117 is a deficient number, since it is larger than the sum of its proper divisors (1).

103511117 is an equidigital number, since it uses as much as digits as its factorization.

103511117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 20.

The square root of 103511117 is about 10174.0413307594. The cubic root of 103511117 is about 469.5289032446.

Adding to 103511117 its reverse (711115301), we get a palindrome (814626418).

The spelling of 103511117 in words is "one hundred three million, five hundred eleven thousand, one hundred seventeen".