103044321 has 6 divisors (see below), whose sum is σ = 148841810. Its totient is φ = 68696208.

The previous prime is 103044313. The next prime is 103044343. The reversal of 103044321 is 123440301.

It can be written as a sum of positive squares in only one way, i.e., 85100625 + 17943696 = 9225^2 + 4236^2 .

It is not a de Polignac number, because 103044321 - 2³ = 103044313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103044294 and 103044303.

It is not an unprimeable number, because it can be changed into a prime (103044421) 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 in 5 ways as a sum of consecutive naturals, for example, 5724676 + ... + 5724693.

Almost surely, 2^103044321 is an apocalyptic number.

It is an amenable number.

103044321 is a deficient number, since it is larger than the sum of its proper divisors (45797489).

103044321 is a wasteful number, since it uses less digits than its factorization.

103044321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11449375 (or 11449372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103044321 is about 10151.0748691949. The cubic root of 103044321 is about 468.8220403412.

Adding to 103044321 its reverse (123440301), we get a palindrome (226484622).

The spelling of 103044321 in words is "one hundred three million, forty-four thousand, three hundred twenty-one".