3211331143231 has 32 divisors (see below), whose sum is σ = 3343525226496. Its totient is φ = 3081078000000.

The previous prime is 3211331143211. The next prime is 3211331143243. The reversal of 3211331143231 is 1323411331123.

3211331143231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3211331143231 - 2⁵ = 3211331143199 is a prime.

It is a super-2 number, since 2×3211331143231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3211331143231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211331143211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2165428216 + ... + 2165429698.

It is an arithmetic number, because the mean of its divisors is an integer number (104485163328).

Almost surely, 2^{3211331143231} is an apocalyptic number.

3211331143231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3211331143231 is a deficient number, since it is larger than the sum of its proper divisors (132194083265).

3211331143231 is a wasteful number, since it uses less digits than its factorization.

3211331143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863.

The product of its digits is 3888, while the sum is 28.

Adding to 3211331143231 its reverse (1323411331123), we get a palindrome (4534742474354).

The spelling of 3211331143231 in words is "three trillion, two hundred eleven billion, three hundred thirty-one million, one hundred forty-three thousand, two hundred thirty-one".