103321344 has 72 divisors (see below), whose sum is σ = 314285440. Its totient is φ = 29518848.

The previous prime is 103321343. The next prime is 103321349. The reversal of 103321344 is 443123301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 103321344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103321343) 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, 4234 + ... + 14985.

Almost surely, 2^103321344 is an apocalyptic number.

103321344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103321344 is an abundant number, since it is smaller than the sum of its proper divisors (210964096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103321344 is an equidigital number, since it uses as much as digits as its factorization.

103321344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19245 (or 19231 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 103321344 is about 10164.7107189531. The cubic root of 103321344 is about 469.2417894228.

Adding to 103321344 its reverse (443123301), we get a palindrome (546444645).

The spelling of 103321344 in words is "one hundred three million, three hundred twenty-one thousand, three hundred forty-four".