1311444059 has 2 divisors, whose sum is σ = 1311444060. Its totient is φ = 1311444058.

The previous prime is 1311444023. The next prime is 1311444077. The reversal of 1311444059 is 9504441131.

It is a strong prime.

It is an emirp because it is prime and its reverse (9504441131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1311444059 - 2⁸ = 1311443803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311444019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655722029 + 655722030.

It is an arithmetic number, because the mean of its divisors is an integer number (655722030).

Almost surely, 2^1311444059 is an apocalyptic number.

1311444059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311444059 is an equidigital number, since it uses as much as digits as its factorization.

1311444059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1311444059 is about 36213.8655627924. The cubic root of 1311444059 is about 1094.5860862700.

The spelling of 1311444059 in words is "one billion, three hundred eleven million, four hundred forty-four thousand, fifty-nine".