103243321 has 8 divisors (see below), whose sum is σ = 108874080. Its totient is φ = 97632288.

The previous prime is 103243313. The next prime is 103243369. The reversal of 103243321 is 123342301.

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 103243321 - 2³ = 103243313 is a prime.

It is a super-2 number, since 2×103243321² = 21318366662218082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103243121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6525 + ... + 15781.

It is an arithmetic number, because the mean of its divisors is an integer number (13609260).

Almost surely, 2^103243321 is an apocalyptic number.

It is an amenable number.

103243321 is a deficient number, since it is larger than the sum of its proper divisors (5630759).

103243321 is an equidigital number, since it uses as much as digits as its factorization.

103243321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 103243321 is about 10160.8720590312. The cubic root of 103243321 is about 469.1236438705.

Adding to 103243321 its reverse (123342301), we get a palindrome (226585622).

The spelling of 103243321 in words is "one hundred three million, two hundred forty-three thousand, three hundred twenty-one".