231240341043 has 12 divisors (see below), whose sum is σ = 339489463248. Its totient is φ = 151633010160.

The previous prime is 231240340963. The next prime is 231240341047. The reversal of 231240341043 is 340143042132.

231240341043 is a `hidden beast` number, since 2 + 3 + 1 + 240 + 3 + 410 + 4 + 3 = 666.

It is not a de Polignac number, because 231240341043 - 2¹⁴ = 231240324659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231240340998 and 231240341016.

It is not an unprimeable number, because it can be changed into a prime (231240341047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210600855 + ... + 210601952.

It is an arithmetic number, because the mean of its divisors is an integer number (28290788604).

Almost surely, 2^231240341043 is an apocalyptic number.

231240341043 is a deficient number, since it is larger than the sum of its proper divisors (108249122205).

231240341043 is a wasteful number, since it uses less digits than its factorization.

231240341043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421202874 (or 421202871 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 231240341043 its reverse (340143042132), we get a palindrome (571383383175).

The spelling of 231240341043 in words is "two hundred thirty-one billion, two hundred forty million, three hundred forty-one thousand, forty-three".