231240324343 has 16 divisors (see below), whose sum is σ = 265661568000. Its totient is φ = 197167896576.

The previous prime is 231240324317. The next prime is 231240324377. The reversal of 231240324343 is 343423042132.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-231240324343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231240334343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250158 + ... + 1423156.

It is an arithmetic number, because the mean of its divisors is an integer number (16603848000).

Almost surely, 2^231240324343 is an apocalyptic number.

231240324343 is a deficient number, since it is larger than the sum of its proper divisors (34421243657).

231240324343 is a wasteful number, since it uses less digits than its factorization.

231240324343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174006.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 231240324343 its reverse (343423042132), we get a palindrome (574663366475).

The spelling of 231240324343 in words is "two hundred thirty-one billion, two hundred forty million, three hundred twenty-four thousand, three hundred forty-three".