312344103221387 has 2 divisors, whose sum is σ = 312344103221388. Its totient is φ = 312344103221386.

The previous prime is 312344103221329. The next prime is 312344103221407. The reversal of 312344103221387 is 783122301443213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312344103221387 - 2⁶ = 312344103221323 is a prime.

It is not a weakly prime, because it can be changed into another prime (312344103121387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156172051610693 + 156172051610694.

It is an arithmetic number, because the mean of its divisors is an integer number (156172051610694).

Almost surely, 2^{312344103221387} is an apocalyptic number.

312344103221387 is a deficient number, since it is larger than the sum of its proper divisors (1).

312344103221387 is an equidigital number, since it uses as much as digits as its factorization.

312344103221387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 312344103221387 in words is "three hundred twelve trillion, three hundred forty-four billion, one hundred three million, two hundred twenty-one thousand, three hundred eighty-seven".