131333230231 has 16 divisors (see below), whose sum is σ = 154256281920. Its totient is φ = 109454595840.

The previous prime is 131333230207. The next prime is 131333230241. The reversal of 131333230231 is 132032333131.

It is not a de Polignac number, because 131333230231 - 2⁹ = 131333229719 is a prime.

It is a super-2 number, since 2×131333230231² (a number of 23 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 = 131333230196 and 131333230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131333230201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212385 + ... + 554773.

It is an arithmetic number, because the mean of its divisors is an integer number (9641017620).

Almost surely, 2^131333230231 is an apocalyptic number.

131333230231 is a deficient number, since it is larger than the sum of its proper divisors (22923051689).

131333230231 is a wasteful number, since it uses less digits than its factorization.

131333230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343914.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 131333230231 its reverse (132032333131), we get a palindrome (263365563362).

The spelling of 131333230231 in words is "one hundred thirty-one billion, three hundred thirty-three million, two hundred thirty thousand, two hundred thirty-one".