3121224133 has 8 divisors (see below), whose sum is σ = 3235544352. Its totient is φ = 3008480976.

The previous prime is 3121224083. The next prime is 3121224163. The reversal of 3121224133 is 3314221213.

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 3121224133 - 2²⁹ = 2584353221 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 (3121224163) 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, 390235 + ... + 398152.

It is an arithmetic number, because the mean of its divisors is an integer number (404443044).

Almost surely, 2^3121224133 is an apocalyptic number.

It is an amenable number.

3121224133 is a deficient number, since it is larger than the sum of its proper divisors (114320219).

3121224133 is a wasteful number, since it uses less digits than its factorization.

3121224133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788531.

The product of its digits is 864, while the sum is 22.

The square root of 3121224133 is about 55867.9168485814. The cubic root of 3121224133 is about 1461.4197943429.

Adding to 3121224133 its reverse (3314221213), we get a palindrome (6435445346).

The spelling of 3121224133 in words is "three billion, one hundred twenty-one million, two hundred twenty-four thousand, one hundred thirty-three".