312427 has 2 divisors, whose sum is σ = 312428. Its totient is φ = 312426.

The previous prime is 312413. The next prime is 312451. The reversal of 312427 is 724213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312427 - 2¹¹ = 310379 is a prime.

It is a super-2 number, since 2×312427² = 195221260658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156213 + 156214.

It is an arithmetic number, because the mean of its divisors is an integer number (156214).

2³¹²⁴²⁷ is an apocalyptic number.

312427 is a deficient number, since it is larger than the sum of its proper divisors (1).

312427 is an equidigital number, since it uses as much as digits as its factorization.

312427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 19.

The square root of 312427 is about 558.9516973764. The cubic root of 312427 is about 67.8551559371.

It can be divided in two parts, 3124 and 27, that multiplied together give a palindrome (84348).

The spelling of 312427 in words is "three hundred twelve thousand, four hundred twenty-seven", and thus it is an iban number.