103200281 has 4 divisors (see below), whose sum is σ = 103232052. Its totient is φ = 103168512.

The previous prime is 103200277. The next prime is 103200283. The reversal of 103200281 is 182002301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 100902025 = 1516^2 + 10045^2 .

It is a cyclic number.

It is not a de Polignac number, because 103200281 - 2² = 103200277 is a prime.

It is a super-2 number, since 2×103200281² = 21300595996957922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103200283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10376 + ... + 17721.

It is an arithmetic number, because the mean of its divisors is an integer number (25808013).

Almost surely, 2^103200281 is an apocalyptic number.

It is an amenable number.

103200281 is a deficient number, since it is larger than the sum of its proper divisors (31771).

103200281 is an equidigital number, since it uses as much as digits as its factorization.

103200281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31770.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 103200281 is about 10158.7539098061. The cubic root of 103200281 is about 469.0584455027.

Adding to 103200281 its reverse (182002301), we get a palindrome (285202582).

The spelling of 103200281 in words is "one hundred three million, two hundred thousand, two hundred eighty-one".