311424941 has 2 divisors, whose sum is σ = 311424942. Its totient is φ = 311424940.

The previous prime is 311424937. The next prime is 311424943. The reversal of 311424941 is 149424113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215796100 + 95628841 = 14690^2 + 9779^2 .

It is a cyclic number.

It is not a de Polignac number, because 311424941 - 2² = 311424937 is a prime.

Together with 311424943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311424943) 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, 155712470 + 155712471.

It is an arithmetic number, because the mean of its divisors is an integer number (155712471).

Almost surely, 2^311424941 is an apocalyptic number.

It is an amenable number.

311424941 is a deficient number, since it is larger than the sum of its proper divisors (1).

311424941 is an equidigital number, since it uses as much as digits as its factorization.

311424941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 311424941 is about 17647.2360725412. The cubic root of 311424941 is about 677.8253343252.

The spelling of 311424941 in words is "three hundred eleven million, four hundred twenty-four thousand, nine hundred forty-one".