3231233011221 has 4 divisors (see below), whose sum is σ = 4308310681632. Its totient is φ = 2154155340812.

The previous prime is 3231233011183. The next prime is 3231233011243. The reversal of 3231233011221 is 1221103321323.

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 3231233011221 - 2⁷ = 3231233011093 is a prime.

It is a super-2 number, since 2×3231233011221² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3231233011191 and 3231233011200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231233011271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538538835201 + ... + 538538835206.

It is an arithmetic number, because the mean of its divisors is an integer number (1077077670408).

Almost surely, 2^{3231233011221} is an apocalyptic number.

It is an amenable number.

3231233011221 is a deficient number, since it is larger than the sum of its proper divisors (1077077670411).

3231233011221 is a wasteful number, since it uses less digits than its factorization.

3231233011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077077670410.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3231233011221 its reverse (1221103321323), we get a palindrome (4452336332544).

The spelling of 3231233011221 in words is "three trillion, two hundred thirty-one billion, two hundred thirty-three million, eleven thousand, two hundred twenty-one".