231342444243133 has 8 divisors (see below), whose sum is σ = 235891004259456. Its totient is φ = 226818273289200.

The previous prime is 231342444243077. The next prime is 231342444243143. The reversal of 231342444243133 is 331342444243132.

It is a happy number.

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 231342444243133 - 2⁴¹ = 229143420987581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231342444243133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231342444243143) 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, 6097246441 + ... + 6097284382.

It is an arithmetic number, because the mean of its divisors is an integer number (29486375532432).

Almost surely, 2^{231342444243133} is an apocalyptic number.

It is an amenable number.

231342444243133 is a deficient number, since it is larger than the sum of its proper divisors (4548560016323).

231342444243133 is a wasteful number, since it uses less digits than its factorization.

231342444243133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194531195.

The product of its digits is 1990656, while the sum is 43.

Adding to 231342444243133 its reverse (331342444243132), we get a palindrome (562684888486265).

Subtracting 231342444243133 from its reverse (331342444243132), we obtain a palindrome (99999999999999).

The spelling of 231342444243133 in words is "two hundred thirty-one trillion, three hundred forty-two billion, four hundred forty-four million, two hundred forty-three thousand, one hundred thirty-three".