311012010409 has 2 divisors, whose sum is σ = 311012010410. Its totient is φ = 311012010408.

The previous prime is 311012010377. The next prime is 311012010433. The reversal of 311012010409 is 904010210113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217852762009 + 93159248400 = 466747^2 + 305220^2 .

It is a cyclic number.

It is not a de Polignac number, because 311012010409 - 2⁵ = 311012010377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311012010409.

It is not a weakly prime, because it can be changed into another prime (311012310409) 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, 155506005204 + 155506005205.

It is an arithmetic number, because the mean of its divisors is an integer number (155506005205).

Almost surely, 2^311012010409 is an apocalyptic number.

It is an amenable number.

311012010409 is a deficient number, since it is larger than the sum of its proper divisors (1).

311012010409 is an equidigital number, since it uses as much as digits as its factorization.

311012010409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 311012010409 in words is "three hundred eleven billion, twelve million, ten thousand, four hundred nine".