312302142443 has 2 divisors, whose sum is σ = 312302142444. Its totient is φ = 312302142442.

The previous prime is 312302142431. The next prime is 312302142461. The reversal of 312302142443 is 344241203213.

It is a weak prime.

It is an emirp because it is prime and its reverse (344241203213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312302142443 - 2¹⁰ = 312302141419 is a prime.

It is not a weakly prime, because it can be changed into another prime (312302142643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156151071221 + 156151071222.

It is an arithmetic number, because the mean of its divisors is an integer number (156151071222).

Almost surely, 2^312302142443 is an apocalyptic number.

312302142443 is a deficient number, since it is larger than the sum of its proper divisors (1).

312302142443 is an equidigital number, since it uses as much as digits as its factorization.

312302142443 is an odious number, because the sum of its binary digits is odd.

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

Adding to 312302142443 its reverse (344241203213), we get a palindrome (656543345656).

The spelling of 312302142443 in words is "three hundred twelve billion, three hundred two million, one hundred forty-two thousand, four hundred forty-three".