103433221 has 4 divisors (see below), whose sum is σ = 103541152. Its totient is φ = 103325292.

The previous prime is 103433203. The next prime is 103433279. The reversal of 103433221 is 122334301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122334301 = 239 ⋅511859.

It is a cyclic number.

It is not a de Polignac number, because 103433221 - 2²¹ = 101336069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103439221) 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, 52515 + ... + 54448.

It is an arithmetic number, because the mean of its divisors is an integer number (25885288).

Almost surely, 2^103433221 is an apocalyptic number.

It is an amenable number.

103433221 is a deficient number, since it is larger than the sum of its proper divisors (107931).

103433221 is an equidigital number, since it uses as much as digits as its factorization.

103433221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107930.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 103433221 is about 10170.2124363260. The cubic root of 103433221 is about 469.4110943146.

Adding to 103433221 its reverse (122334301), we get a palindrome (225767522).

The spelling of 103433221 in words is "one hundred three million, four hundred thirty-three thousand, two hundred twenty-one".