312442463 has 2 divisors, whose sum is σ = 312442464. Its totient is φ = 312442462.

The previous prime is 312442457. The next prime is 312442469. The reversal of 312442463 is 364244213.

It is a balanced prime because it is at equal distance from previous prime (312442457) and next prime (312442469).

It is an emirp because it is prime and its reverse (364244213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312442463 - 2¹⁰ = 312441439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312442469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156221231 + 156221232.

It is an arithmetic number, because the mean of its divisors is an integer number (156221232).

Almost surely, 2^312442463 is an apocalyptic number.

312442463 is a deficient number, since it is larger than the sum of its proper divisors (1).

312442463 is an equidigital number, since it uses as much as digits as its factorization.

312442463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 312442463 is about 17676.0420626338. The cubic root of 312442463 is about 678.5627537400.

Adding to 312442463 its reverse (364244213), we get a palindrome (676686676).

The spelling of 312442463 in words is "three hundred twelve million, four hundred forty-two thousand, four hundred sixty-three".