231343103443 has 4 divisors (see below), whose sum is σ = 231344082000. Its totient is φ = 231342124888.

The previous prime is 231343103419. The next prime is 231343103449. The reversal of 231343103443 is 344301343132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 231343103443 - 2⁹ = 231343102931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231343103449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110058 + ... + 689056.

It is an arithmetic number, because the mean of its divisors is an integer number (57836020500).

Almost surely, 2^231343103443 is an apocalyptic number.

231343103443 is a deficient number, since it is larger than the sum of its proper divisors (978557).

231343103443 is an equidigital number, since it uses as much as digits as its factorization.

231343103443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978556.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 231343103443 its reverse (344301343132), we get a palindrome (575644446575).

The spelling of 231343103443 in words is "two hundred thirty-one billion, three hundred forty-three million, one hundred three thousand, four hundred forty-three".