312424439 has 2 divisors, whose sum is σ = 312424440. Its totient is φ = 312424438.

The previous prime is 312424403. The next prime is 312424459. The reversal of 312424439 is 934424213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312424439 - 2¹⁶ = 312358903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312424459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156212219 + 156212220.

It is an arithmetic number, because the mean of its divisors is an integer number (156212220).

Almost surely, 2^312424439 is an apocalyptic number.

312424439 is a deficient number, since it is larger than the sum of its proper divisors (1).

312424439 is an equidigital number, since it uses as much as digits as its factorization.

312424439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 312424439 is about 17675.5322126379. The cubic root of 312424439 is about 678.5497053106.

The spelling of 312424439 in words is "three hundred twelve million, four hundred twenty-four thousand, four hundred thirty-nine".