312321003142087 has 2 divisors, whose sum is σ = 312321003142088. Its totient is φ = 312321003142086.

The previous prime is 312321003142081. The next prime is 312321003142189. The reversal of 312321003142087 is 780241300123213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312321003142087 - 2¹¹ = 312321003140039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312321003142081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156160501571043 + 156160501571044.

It is an arithmetic number, because the mean of its divisors is an integer number (156160501571044).

Almost surely, 2^{312321003142087} is an apocalyptic number.

312321003142087 is a deficient number, since it is larger than the sum of its proper divisors (1).

312321003142087 is an equidigital number, since it uses as much as digits as its factorization.

312321003142087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 312321003142087 in words is "three hundred twelve trillion, three hundred twenty-one billion, three million, one hundred forty-two thousand, eighty-seven".