103144321 has 8 divisors (see below), whose sum is σ = 124813440. Its totient is φ = 83208768.

The previous prime is 103144319. The next prime is 103144339. The reversal of 103144321 is 123441301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103144321 - 2¹ = 103144319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103144361) 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 in 7 ways as a sum of consecutive naturals, for example, 433261 + ... + 433498.

It is an arithmetic number, because the mean of its divisors is an integer number (15601680).

Almost surely, 2^103144321 is an apocalyptic number.

It is an amenable number.

103144321 is a deficient number, since it is larger than the sum of its proper divisors (21669119).

103144321 is an equidigital number, since it uses as much as digits as its factorization.

103144321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866783.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 103144321 is about 10155.9992615203. Note that the first 3 decimals coincide. The cubic root of 103144321 is about 468.9736483937.

Adding to 103144321 its reverse (123441301), we get a palindrome (226585622).

The spelling of 103144321 in words is "one hundred three million, one hundred forty-four thousand, three hundred twenty-one".