312321235159 has 2 divisors, whose sum is σ = 312321235160. Its totient is φ = 312321235158.

The previous prime is 312321235099. The next prime is 312321235181. The reversal of 312321235159 is 951532123213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312321235159 - 2²¹ = 312319138007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312321235199) 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, 156160617579 + 156160617580.

It is an arithmetic number, because the mean of its divisors is an integer number (156160617580).

Almost surely, 2^312321235159 is an apocalyptic number.

312321235159 is a deficient number, since it is larger than the sum of its proper divisors (1).

312321235159 is an equidigital number, since it uses as much as digits as its factorization.

312321235159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The spelling of 312321235159 in words is "three hundred twelve billion, three hundred twenty-one million, two hundred thirty-five thousand, one hundred fifty-nine".