231341143131 has 18 divisors (see below), whose sum is σ = 388716071172. Its totient is φ = 132194938680.

The previous prime is 231341143127. The next prime is 231341143147. The reversal of 231341143131 is 131341143132.

231341143131 is a `hidden beast` number, since 2 + 3 + 1 + 341 + 1 + 4 + 313 + 1 = 666.

It is not a de Polignac number, because 231341143131 - 2² = 231341143127 is a prime.

It is a super-2 number, since 2×231341143131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231341143095 and 231341143104.

It is not an unprimeable number, because it can be changed into a prime (231341143531) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 262291105 + ... + 262291986.

Almost surely, 2^231341143131 is an apocalyptic number.

231341143131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

231341143131 is a deficient number, since it is larger than the sum of its proper divisors (157374928041).

231341143131 is a wasteful number, since it uses less digits than its factorization.

231341143131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524583111 (or 524583101 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 231341143131 its reverse (131341143132), we get a palindrome (362682286263).

Subtracting from 231341143131 its reverse (131341143132), we obtain a palindrome (99999999999).

The spelling of 231341143131 in words is "two hundred thirty-one billion, three hundred forty-one million, one hundred forty-three thousand, one hundred thirty-one".