3233213121 has 4 divisors (see below), whose sum is σ = 4310950832. Its totient is φ = 2155475412.

The previous prime is 3233213059. The next prime is 3233213131. The reversal of 3233213121 is 1213123323.

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: 1213123323 = 3 ⋅404374441.

It is not a de Polignac number, because 3233213121 - 2²⁶ = 3166104257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3233213131) 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, 538868851 + ... + 538868856.

It is an arithmetic number, because the mean of its divisors is an integer number (1077737708).

Almost surely, 2^3233213121 is an apocalyptic number.

It is an amenable number.

3233213121 is a deficient number, since it is larger than the sum of its proper divisors (1077737711).

3233213121 is a wasteful number, since it uses less digits than its factorization.

3233213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077737710.

The product of its digits is 648, while the sum is 21.

The square root of 3233213121 is about 56861.3499751809. The cubic root of 3233213121 is about 1478.6933196852.

Adding to 3233213121 its reverse (1213123323), we get a palindrome (4446336444).

The spelling of 3233213121 in words is "three billion, two hundred thirty-three million, two hundred thirteen thousand, one hundred twenty-one".