311424097 has 2 divisors, whose sum is σ = 311424098. Its totient is φ = 311424096.

The previous prime is 311424077. The next prime is 311424121. The reversal of 311424097 is 790424113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284394496 + 27029601 = 16864^2 + 5199^2 .

It is an emirp because it is prime and its reverse (790424113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311424097 - 2¹¹ = 311422049 is a prime.

It is not a weakly prime, because it can be changed into another prime (311424067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155712048 + 155712049.

It is an arithmetic number, because the mean of its divisors is an integer number (155712049).

Almost surely, 2^311424097 is an apocalyptic number.

It is an amenable number.

311424097 is a deficient number, since it is larger than the sum of its proper divisors (1).

311424097 is an equidigital number, since it uses as much as digits as its factorization.

311424097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 311424097 is about 17647.2121594319. The cubic root of 311424097 is about 677.8247219946.

The spelling of 311424097 in words is "three hundred eleven million, four hundred twenty-four thousand, ninety-seven".