312311459 has 2 divisors, whose sum is σ = 312311460. Its totient is φ = 312311458.

The previous prime is 312311443. The next prime is 312311477. The reversal of 312311459 is 954113213.

It is a weak prime.

It is an emirp because it is prime and its reverse (954113213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312311459 - 2⁴ = 312311443 is a prime.

It is not a weakly prime, because it can be changed into another prime (312311479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156155729 + 156155730.

It is an arithmetic number, because the mean of its divisors is an integer number (156155730).

Almost surely, 2^312311459 is an apocalyptic number.

312311459 is a deficient number, since it is larger than the sum of its proper divisors (1).

312311459 is an equidigital number, since it uses as much as digits as its factorization.

312311459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 312311459 is about 17672.3359802829. The cubic root of 312311459 is about 678.4679022899.

The spelling of 312311459 in words is "three hundred twelve million, three hundred eleven thousand, four hundred fifty-nine".