33134321 has 4 divisors (see below), whose sum is σ = 36146544. Its totient is φ = 30122100.

The previous prime is 33134293. The next prime is 33134323. The reversal of 33134321 is 12343133.

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: 12343133 = 11 ⋅1122103.

It is a cyclic number.

It is not a de Polignac number, because 33134321 - 2¹⁰ = 33133297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33134293 and 33134302.

It is not an unprimeable number, because it can be changed into a prime (33134323) 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, 1506095 + ... + 1506116.

It is an arithmetic number, because the mean of its divisors is an integer number (9036636).

Almost surely, 2^33134321 is an apocalyptic number.

It is an amenable number.

33134321 is a deficient number, since it is larger than the sum of its proper divisors (3012223).

33134321 is a wasteful number, since it uses less digits than its factorization.

33134321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012222.

The product of its digits is 648, while the sum is 20.

The square root of 33134321 is about 5756.2419163895. The cubic root of 33134321 is about 321.1880350036.

Adding to 33134321 its reverse (12343133), we get a palindrome (45477454).

The spelling of 33134321 in words is "thirty-three million, one hundred thirty-four thousand, three hundred twenty-one".