33103421 has 8 divisors (see below), whose sum is σ = 36479520. Its totient is φ = 29845872.

The previous prime is 33103397. The next prime is 33103459. The reversal of 33103421 is 12430133.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 33103421 - 2¹⁰ = 33102397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33103421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33103121) 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, 29051 + ... + 30168.

It is an arithmetic number, because the mean of its divisors is an integer number (4559940).

Almost surely, 2^33103421 is an apocalyptic number.

It is an amenable number.

33103421 is a deficient number, since it is larger than the sum of its proper divisors (3376099).

33103421 is a wasteful number, since it uses less digits than its factorization.

33103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59275.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 33103421 is about 5753.5572474774. The cubic root of 33103421 is about 321.0881607469.

Adding to 33103421 its reverse (12430133), we get a palindrome (45533554).

The spelling of 33103421 in words is "thirty-three million, one hundred three thousand, four hundred twenty-one".