103445317 has 2 divisors, whose sum is σ = 103445318. Its totient is φ = 103445316.

The previous prime is 103445299. The next prime is 103445369. The reversal of 103445317 is 713544301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73513476 + 29931841 = 8574^2 + 5471^2 .

It is an emirp because it is prime and its reverse (713544301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103445317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103445417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51722658 + 51722659.

It is an arithmetic number, because the mean of its divisors is an integer number (51722659).

Almost surely, 2^103445317 is an apocalyptic number.

It is an amenable number.

103445317 is a deficient number, since it is larger than the sum of its proper divisors (1).

103445317 is an equidigital number, since it uses as much as digits as its factorization.

103445317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 103445317 is about 10170.8070967844. The cubic root of 103445317 is about 469.4293920311.

Adding to 103445317 its reverse (713544301), we get a palindrome (816989618).

The spelling of 103445317 in words is "one hundred three million, four hundred forty-five thousand, three hundred seventeen".