43212313113311 has 2 divisors, whose sum is σ = 43212313113312. Its totient is φ = 43212313113310.

The previous prime is 43212313113293. The next prime is 43212313113313. The reversal of 43212313113311 is 11331131321234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43212313113311 is a prime.

Together with 43212313113313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43212313113313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606156556655 + 21606156556656.

It is an arithmetic number, because the mean of its divisors is an integer number (21606156556656).

Almost surely, 2^{43212313113311} is an apocalyptic number.

43212313113311 is a deficient number, since it is larger than the sum of its proper divisors (1).

43212313113311 is an equidigital number, since it uses as much as digits as its factorization.

43212313113311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

Adding to 43212313113311 its reverse (11331131321234), we get a palindrome (54543444434545).

The spelling of 43212313113311 in words is "forty-three trillion, two hundred twelve billion, three hundred thirteen million, one hundred thirteen thousand, three hundred eleven".