103243117 has 2 divisors, whose sum is σ = 103243118. Its totient is φ = 103243116.

The previous prime is 103243087. The next prime is 103243121. The reversal of 103243117 is 711342301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58767556 + 44475561 = 7666^2 + 6669^2 .

It is an emirp because it is prime and its reverse (711342301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103243117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103240117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51621558 + 51621559.

It is an arithmetic number, because the mean of its divisors is an integer number (51621559).

Almost surely, 2^103243117 is an apocalyptic number.

It is an amenable number.

103243117 is a deficient number, since it is larger than the sum of its proper divisors (1).

103243117 is an equidigital number, since it uses as much as digits as its factorization.

103243117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 103243117 is about 10160.8620205177. The cubic root of 103243117 is about 469.1233348875.

Adding to 103243117 its reverse (711342301), we get a palindrome (814585418).

The spelling of 103243117 in words is "one hundred three million, two hundred forty-three thousand, one hundred seventeen".