1343244181 has 2 divisors, whose sum is σ = 1343244182. Its totient is φ = 1343244180.

The previous prime is 1343244139. The next prime is 1343244193. The reversal of 1343244181 is 1814423431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1078531281 + 264712900 = 32841^2 + 16270^2 .

It is an emirp because it is prime and its reverse (1814423431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343244181 - 2¹¹ = 1343242133 is a prime.

It is a super-2 number, since 2×1343244181² = 3608609859580721522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343244481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671622090 + 671622091.

It is an arithmetic number, because the mean of its divisors is an integer number (671622091).

Almost surely, 2^1343244181 is an apocalyptic number.

It is an amenable number.

1343244181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343244181 is an equidigital number, since it uses as much as digits as its factorization.

1343244181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 1343244181 is about 36650.2957832539. The cubic root of 1343244181 is about 1103.3627619885.

The spelling of 1343244181 in words is "one billion, three hundred forty-three million, two hundred forty-four thousand, one hundred eighty-one".