231311213002343 has 2 divisors, whose sum is σ = 231311213002344. Its totient is φ = 231311213002342.

The previous prime is 231311213002273. The next prime is 231311213002349. The reversal of 231311213002343 is 343200312113132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231311213002343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231311213002349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115655606501171 + 115655606501172.

It is an arithmetic number, because the mean of its divisors is an integer number (115655606501172).

Almost surely, 2^{231311213002343} is an apocalyptic number.

231311213002343 is a deficient number, since it is larger than the sum of its proper divisors (1).

231311213002343 is an equidigital number, since it uses as much as digits as its factorization.

231311213002343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 231311213002343 its reverse (343200312113132), we get a palindrome (574511525115475).

The spelling of 231311213002343 in words is "two hundred thirty-one trillion, three hundred eleven billion, two hundred thirteen million, two thousand, three hundred forty-three".