312044143 has 2 divisors, whose sum is σ = 312044144. Its totient is φ = 312044142.

The previous prime is 312044141. The next prime is 312044167. The reversal of 312044143 is 341440213.

It is a weak prime.

It is an emirp because it is prime and its reverse (341440213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312044143 - 2¹ = 312044141 is a prime.

Together with 312044141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312044141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156022071 + 156022072.

It is an arithmetic number, because the mean of its divisors is an integer number (156022072).

Almost surely, 2^312044143 is an apocalyptic number.

312044143 is a deficient number, since it is larger than the sum of its proper divisors (1).

312044143 is an equidigital number, since it uses as much as digits as its factorization.

312044143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 312044143 is about 17664.7712410889. The cubic root of 312044143 is about 678.2742738993.

Adding to 312044143 its reverse (341440213), we get a palindrome (653484356).

The spelling of 312044143 in words is "three hundred twelve million, forty-four thousand, one hundred forty-three".