231143341133 has 8 divisors (see below), whose sum is σ = 243640730400. Its totient is φ = 218679146928.

The previous prime is 231143341103. The next prime is 231143341139. The reversal of 231143341133 is 331143341132.

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

It is a cyclic number.

It is not a de Polignac number, because 231143341133 - 2¹² = 231143337037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231143341096 and 231143341105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231143341139) 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, 8284463 + ... + 8312316.

It is an arithmetic number, because the mean of its divisors is an integer number (30455091300).

Almost surely, 2^231143341133 is an apocalyptic number.

It is an amenable number.

231143341133 is a deficient number, since it is larger than the sum of its proper divisors (12497389267).

231143341133 is a wasteful number, since it uses less digits than its factorization.

231143341133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16597531.

The product of its digits is 7776, while the sum is 29.

Adding to 231143341133 its reverse (331143341132), we get a palindrome (562286682265).

Subtracting 231143341133 from its reverse (331143341132), we obtain a palindrome (99999999999).

The spelling of 231143341133 in words is "two hundred thirty-one billion, one hundred forty-three million, three hundred forty-one thousand, one hundred thirty-three".