1311354199 has 2 divisors, whose sum is σ = 1311354200. Its totient is φ = 1311354198.

The previous prime is 1311354169. The next prime is 1311354227. The reversal of 1311354199 is 9914531131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311354199 - 2¹¹ = 1311352151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311354169) 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, 655677099 + 655677100.

It is an arithmetic number, because the mean of its divisors is an integer number (655677100).

Almost surely, 2^1311354199 is an apocalyptic number.

1311354199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311354199 is an equidigital number, since it uses as much as digits as its factorization.

1311354199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 37.

The square root of 1311354199 is about 36212.6248565331. The cubic root of 1311354199 is about 1094.5610853936.

The spelling of 1311354199 in words is "one billion, three hundred eleven million, three hundred fifty-four thousand, one hundred ninety-nine".