231243443341 has 16 divisors (see below), whose sum is σ = 239137836480. Its totient is φ = 223440595200.

The previous prime is 231243443329. The next prime is 231243443351. The reversal of 231243443341 is 143344342132.

It is a cyclic number.

It is not a de Polignac number, because 231243443341 - 2¹⁹ = 231242919053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231243443297 and 231243443306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231243443351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3333670 + ... + 3402328.

It is an arithmetic number, because the mean of its divisors is an integer number (14946114780).

Almost surely, 2^231243443341 is an apocalyptic number.

It is an amenable number.

231243443341 is a deficient number, since it is larger than the sum of its proper divisors (7894393139).

231243443341 is a wasteful number, since it uses less digits than its factorization.

231243443341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69324.

The product of its digits is 82944, while the sum is 34.

Adding to 231243443341 its reverse (143344342132), we get a palindrome (374587785473).

The spelling of 231243443341 in words is "two hundred thirty-one billion, two hundred forty-three million, four hundred forty-three thousand, three hundred forty-one".