103283281 has 4 divisors (see below), whose sum is σ = 103392612. Its totient is φ = 103173952.

The previous prime is 103283263. The next prime is 103283287. The reversal of 103283281 is 182382301.

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 15673681 + 87609600 = 3959^2 + 9360^2 .

It is a cyclic number.

It is not a de Polignac number, because 103283281 - 2¹⁵ = 103250513 is a prime.

It is a super-2 number, since 2×103283281² = 21334872268249922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103283287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53236 + ... + 55141.

It is an arithmetic number, because the mean of its divisors is an integer number (25848153).

Almost surely, 2^103283281 is an apocalyptic number.

It is an amenable number.

103283281 is a deficient number, since it is larger than the sum of its proper divisors (109331).

103283281 is an equidigital number, since it uses as much as digits as its factorization.

103283281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109330.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 103283281 is about 10162.8382354537. The cubic root of 103283281 is about 469.1841603365.

The spelling of 103283281 in words is "one hundred three million, two hundred eighty-three thousand, two hundred eighty-one".