103216 has 10 divisors (see below), whose sum is σ = 200012. Its totient is φ = 51600.

The previous prime is 103183. The next prime is 103217. The reversal of 103216 is 612301.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 103196 and 103205.

It is not an unprimeable number, because it can be changed into a prime (103217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3210 + ... + 3241.

2¹⁰³²¹⁶ is an apocalyptic number.

103216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

103216 is a deficient number, since it is larger than the sum of its proper divisors (96796).

103216 is an equidigital number, since it uses as much as digits as its factorization.

103216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459 (or 6453 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103216 is about 321.2724700313. The cubic root of 103216 is about 46.9082259247.

Adding to 103216 its reverse (612301), we get a palindrome (715517).

The spelling of 103216 in words is "one hundred three thousand, two hundred sixteen".