3331243121 has 4 divisors (see below), whose sum is σ = 3337077744. Its totient is φ = 3325408500.

The previous prime is 3331243103. The next prime is 3331243127. The reversal of 3331243121 is 1213421333.

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.

It is a cyclic number.

It is not a de Polignac number, because 3331243121 - 2¹⁰ = 3331242097 is a prime.

It is a super-2 number, since 2×3331243121² = 22194361462419641282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3331243127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2916455 + ... + 2917596.

It is an arithmetic number, because the mean of its divisors is an integer number (834269436).

Almost surely, 2^3331243121 is an apocalyptic number.

It is an amenable number.

3331243121 is a deficient number, since it is larger than the sum of its proper divisors (5834623).

3331243121 is an equidigital number, since it uses as much as digits as its factorization.

3331243121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834622.

The product of its digits is 1296, while the sum is 23.

The square root of 3331243121 is about 57716.9223105321. The cubic root of 3331243121 is about 1493.4892806499.

Adding to 3331243121 its reverse (1213421333), we get a palindrome (4544664454).

The spelling of 3331243121 in words is "three billion, three hundred thirty-one million, two hundred forty-three thousand, one hundred twenty-one".