103113289 has 2 divisors, whose sum is σ = 103113290. Its totient is φ = 103113288.

The previous prime is 103113287. The next prime is 103113317. The reversal of 103113289 is 982311301.

It is an a-pointer prime, because the next prime (103113317) can be obtained adding 103113289 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102677689 + 435600 = 10133^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 103113289 - 2¹ = 103113287 is a prime.

Together with 103113287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103113287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51556644 + 51556645.

It is an arithmetic number, because the mean of its divisors is an integer number (51556645).

Almost surely, 2^103113289 is an apocalyptic number.

It is an amenable number.

103113289 is a deficient number, since it is larger than the sum of its proper divisors (1).

103113289 is an equidigital number, since it uses as much as digits as its factorization.

103113289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 103113289 is about 10154.4713796436. The cubic root of 103113289 is about 468.9266118729.

The spelling of 103113289 in words is "one hundred three million, one hundred thirteen thousand, two hundred eighty-nine".