312231303132347 has 2 divisors, whose sum is σ = 312231303132348. Its totient is φ = 312231303132346.

The previous prime is 312231303132191. The next prime is 312231303132367. The reversal of 312231303132347 is 743231303132213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312231303132347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312231303132347.

It is not a weakly prime, because it can be changed into another prime (312231303132367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156115651566173 + 156115651566174.

It is an arithmetic number, because the mean of its divisors is an integer number (156115651566174).

Almost surely, 2^{312231303132347} is an apocalyptic number.

312231303132347 is a deficient number, since it is larger than the sum of its proper divisors (1).

312231303132347 is an equidigital number, since it uses as much as digits as its factorization.

312231303132347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 312231303132347 in words is "three hundred twelve trillion, two hundred thirty-one billion, three hundred three million, one hundred thirty-two thousand, three hundred forty-seven".