103291 has 2 divisors, whose sum is σ = 103292. Its totient is φ = 103290.

The previous prime is 103289. The next prime is 103307. The reversal of 103291 is 192301.

It is an a-pointer prime, because the next prime (103307) can be obtained adding 103291 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103291 - 2¹ = 103289 is a prime.

Together with 103289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103231) 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, 51645 + 51646.

It is an arithmetic number, because the mean of its divisors is an integer number (51646).

2¹⁰³²⁹¹ is an apocalyptic number.

103291 is a deficient number, since it is larger than the sum of its proper divisors (1).

103291 is an equidigital number, since it uses as much as digits as its factorization.

103291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 103291 is about 321.3891721885. The cubic root of 103291 is about 46.9195848392.

Adding to 103291 its reverse (192301), we get a palindrome (295592).

The spelling of 103291 in words is "one hundred three thousand, two hundred ninety-one".