312106843444987 has 2 divisors, whose sum is σ = 312106843444988. Its totient is φ = 312106843444986.

The previous prime is 312106843444937. The next prime is 312106843445053. The reversal of 312106843444987 is 789444348601213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312106843444987 - 2⁷ = 312106843444859 is a prime.

It is not a weakly prime, because it can be changed into another prime (312106843444927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156053421722493 + 156053421722494.

It is an arithmetic number, because the mean of its divisors is an integer number (156053421722494).

Almost surely, 2^{312106843444987} is an apocalyptic number.

312106843444987 is a deficient number, since it is larger than the sum of its proper divisors (1).

312106843444987 is an equidigital number, since it uses as much as digits as its factorization.

312106843444987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 312106843444987 in words is "three hundred twelve trillion, one hundred six billion, eight hundred forty-three million, four hundred forty-four thousand, nine hundred eighty-seven".