3231131203231 has 4 divisors (see below), whose sum is σ = 3231262933272. Its totient is φ = 3230999473192.

The previous prime is 3231131203219. The next prime is 3231131203249. The reversal of 3231131203231 is 1323021311323.

3231131203231 is digitally balanced in base 3, 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 is a cyclic number.

It is not a de Polignac number, because 3231131203231 - 2¹⁷ = 3231131072159 is a prime.

It is a super-2 number, since 2×3231131203231² (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 = 3231131203196 and 3231131203205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231131803231) 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, 65828221 + ... + 65877286.

It is an arithmetic number, because the mean of its divisors is an integer number (807815733318).

Almost surely, 2^{3231131203231} is an apocalyptic number.

3231131203231 is a deficient number, since it is larger than the sum of its proper divisors (131730041).

3231131203231 is a wasteful number, since it uses less digits than its factorization.

3231131203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131730040.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3231131203231 its reverse (1323021311323), we get a palindrome (4554152514554).

The spelling of 3231131203231 in words is "three trillion, two hundred thirty-one billion, one hundred thirty-one million, two hundred three thousand, two hundred thirty-one".