3231133111021 has 4 divisors (see below), whose sum is σ = 3242797851772. Its totient is φ = 3219468370272.

The previous prime is 3231133111007. The next prime is 3231133111091. The reversal of 3231133111021 is 1201113311323.

3231133111021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1072405224900 + 2158727886121 = 1035570^2 + 1469261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3231133111021 is a prime.

It is a super-2 number, since 2×3231133111021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231133110983 and 3231133111001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231133111091) 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, 5832369960 + ... + 5832370513.

It is an arithmetic number, because the mean of its divisors is an integer number (810699462943).

Almost surely, 2^{3231133111021} is an apocalyptic number.

It is an amenable number.

3231133111021 is a deficient number, since it is larger than the sum of its proper divisors (11664740751).

3231133111021 is a wasteful number, since it uses less digits than its factorization.

3231133111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11664740750.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 3231133111021 its reverse (1201113311323), we get a palindrome (4432246422344).

The spelling of 3231133111021 in words is "three trillion, two hundred thirty-one billion, one hundred thirty-three million, one hundred eleven thousand, twenty-one".