43343212331 has 2 divisors, whose sum is σ = 43343212332. Its totient is φ = 43343212330.

The previous prime is 43343212301. The next prime is 43343212333. The reversal of 43343212331 is 13321234334.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43343212331 - 2¹⁴ = 43343195947 is a prime.

It is a super-2 number, since 2×43343212331² (a number of 22 digits) contains 22 as substring.

Together with 43343212333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 43343212294 and 43343212303.

It is not a weakly prime, because it can be changed into another prime (43343212333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671606165 + 21671606166.

It is an arithmetic number, because the mean of its divisors is an integer number (21671606166).

Almost surely, 2^43343212331 is an apocalyptic number.

43343212331 is a deficient number, since it is larger than the sum of its proper divisors (1).

43343212331 is an equidigital number, since it uses as much as digits as its factorization.

43343212331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 29.

Adding to 43343212331 its reverse (13321234334), we get a palindrome (56664446665).

The spelling of 43343212331 in words is "forty-three billion, three hundred forty-three million, two hundred twelve thousand, three hundred thirty-one".