312112159 has 2 divisors, whose sum is σ = 312112160. Its totient is φ = 312112158.

The previous prime is 312112109. The next prime is 312112169. The reversal of 312112159 is 951211213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312112159 - 2¹¹ = 312110111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312112109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156056079 + 156056080.

It is an arithmetic number, because the mean of its divisors is an integer number (156056080).

Almost surely, 2^312112159 is an apocalyptic number.

312112159 is a deficient number, since it is larger than the sum of its proper divisors (1).

312112159 is an equidigital number, since it uses as much as digits as its factorization.

312112159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 25.

The square root of 312112159 is about 17666.6963238745. The cubic root of 312112159 is about 678.3235512772.

The spelling of 312112159 in words is "three hundred twelve million, one hundred twelve thousand, one hundred fifty-nine".