312744127 has 2 divisors, whose sum is σ = 312744128. Its totient is φ = 312744126.

The previous prime is 312744101. The next prime is 312744163. The reversal of 312744127 is 721447213.

It is a weak prime.

It is an emirp because it is prime and its reverse (721447213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312744127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312744197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156372063 + 156372064.

It is an arithmetic number, because the mean of its divisors is an integer number (156372064).

Almost surely, 2^312744127 is an apocalyptic number.

312744127 is a deficient number, since it is larger than the sum of its proper divisors (1).

312744127 is an equidigital number, since it uses as much as digits as its factorization.

312744127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 312744127 is about 17684.5731359284. The cubic root of 312744127 is about 678.7810681875.

The spelling of 312744127 in words is "three hundred twelve million, seven hundred forty-four thousand, one hundred twenty-seven".