322313143 has 2 divisors, whose sum is σ = 322313144. Its totient is φ = 322313142.

The previous prime is 322313141. The next prime is 322313171. The reversal of 322313143 is 341313223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 322313143 - 2¹ = 322313141 is a prime.

Together with 322313141, 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 (322313141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161156571 + 161156572.

It is an arithmetic number, because the mean of its divisors is an integer number (161156572).

Almost surely, 2^322313143 is an apocalyptic number.

322313143 is a deficient number, since it is larger than the sum of its proper divisors (1).

322313143 is an equidigital number, since it uses as much as digits as its factorization.

322313143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 22.

The square root of 322313143 is about 17953.0817131767. The cubic root of 322313143 is about 685.6345146312.

Adding to 322313143 its reverse (341313223), we get a palindrome (663626366).

The spelling of 322313143 in words is "three hundred twenty-two million, three hundred thirteen thousand, one hundred forty-three".