312211240032343 has 2 divisors, whose sum is σ = 312211240032344. Its totient is φ = 312211240032342.

The previous prime is 312211240032317. The next prime is 312211240032401. The reversal of 312211240032343 is 343230042112213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312211240032343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312211240032143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156105620016171 + 156105620016172.

It is an arithmetic number, because the mean of its divisors is an integer number (156105620016172).

Almost surely, 2^{312211240032343} is an apocalyptic number.

312211240032343 is a deficient number, since it is larger than the sum of its proper divisors (1).

312211240032343 is an equidigital number, since it uses as much as digits as its factorization.

312211240032343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 312211240032343 its reverse (343230042112213), we get a palindrome (655441282144556).

The spelling of 312211240032343 in words is "three hundred twelve trillion, two hundred eleven billion, two hundred forty million, thirty-two thousand, three hundred forty-three".