311427343 has 2 divisors, whose sum is σ = 311427344. Its totient is φ = 311427342.

The previous prime is 311427341. The next prime is 311427359. The reversal of 311427343 is 343724113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311427343 - 2¹ = 311427341 is a prime.

Together with 311427341, 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 (311427341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155713671 + 155713672.

It is an arithmetic number, because the mean of its divisors is an integer number (155713672).

Almost surely, 2^311427343 is an apocalyptic number.

311427343 is a deficient number, since it is larger than the sum of its proper divisors (1).

311427343 is an equidigital number, since it uses as much as digits as its factorization.

311427343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 311427343 is about 17647.3041283931. The cubic root of 311427343 is about 677.8270769947.

The spelling of 311427343 in words is "three hundred eleven million, four hundred twenty-seven thousand, three hundred forty-three".