3111204409 has 2 divisors, whose sum is σ = 3111204410. Its totient is φ = 3111204408.

The previous prime is 3111204401. The next prime is 3111204431. The reversal of 3111204409 is 9044021113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1955408400 + 1155796009 = 44220^2 + 33997^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111204409 - 2³ = 3111204401 is a prime.

It is not a weakly prime, because it can be changed into another prime (3111204401) 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, 1555602204 + 1555602205.

It is an arithmetic number, because the mean of its divisors is an integer number (1555602205).

Almost surely, 2^3111204409 is an apocalyptic number.

It is an amenable number.

3111204409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111204409 is an equidigital number, since it uses as much as digits as its factorization.

3111204409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3111204409 is about 55778.1714382965. The cubic root of 3111204409 is about 1459.8543060033.

The spelling of 3111204409 in words is "three billion, one hundred eleven million, two hundred four thousand, four hundred nine".