103281 has 8 divisors (see below), whose sum is σ = 139200. Its totient is φ = 68112.

The previous prime is 103237. The next prime is 103289. The reversal of 103281 is 182301.

103281 = T₉₈ + T₉₉ + ... + T₁₁₅.

It is a happy number.

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

It is not a de Polignac number, because 103281 - 2⁶ = 103217 is a prime.

It is a super-2 number, since 2×103281² = 21333929922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103281.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103281.

It is not an unprimeable number, because it can be changed into a prime (103289) 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, 420 + ... + 618.

It is an arithmetic number, because the mean of its divisors is an integer number (17400).

2¹⁰³²⁸¹ is an apocalyptic number.

It is an amenable number.

103281 is a deficient number, since it is larger than the sum of its proper divisors (35919).

103281 is a wasteful number, since it uses less digits than its factorization.

103281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 103281 is about 321.3736143494. The cubic root of 103281 is about 46.9180706351.

Adding to 103281 its reverse (182301), we get a palindrome (285582).

The spelling of 103281 in words is "one hundred three thousand, two hundred eighty-one".