131231333220211 has 8 divisors (see below), whose sum is σ = 149979652107264. Its totient is φ = 112483260725640.

The previous prime is 131231333220139. The next prime is 131231333220217. The reversal of 131231333220211 is 112022333132131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131231333220211 - 2¹⁵ = 131231333187443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131231333220211.

It is not an unprimeable number, because it can be changed into a prime (131231333220217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60455395 + ... + 62588476.

It is an arithmetic number, because the mean of its divisors is an integer number (18747456513408).

Almost surely, 2^{131231333220211} is an apocalyptic number.

131231333220211 is a deficient number, since it is larger than the sum of its proper divisors (18748318887053).

131231333220211 is a wasteful number, since it uses less digits than its factorization.

131231333220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123196241.

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

Adding to 131231333220211 its reverse (112022333132131), we get a palindrome (243253666352342).

The spelling of 131231333220211 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, three hundred thirty-three million, two hundred twenty thousand, two hundred eleven".