1343440213 has 2 divisors, whose sum is σ = 1343440214. Its totient is φ = 1343440212.

The previous prime is 1343440187. The next prime is 1343440229. The reversal of 1343440213 is 3120443431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990864484 + 352575729 = 31478^2 + 18777^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343440213 - 2¹⁷ = 1343309141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343440313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671720106 + 671720107.

It is an arithmetic number, because the mean of its divisors is an integer number (671720107).

Almost surely, 2^1343440213 is an apocalyptic number.

It is an amenable number.

1343440213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343440213 is an equidigital number, since it uses as much as digits as its factorization.

1343440213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1343440213 is about 36652.9700433676. The cubic root of 1343440213 is about 1103.4164340091.

Adding to 1343440213 its reverse (3120443431), we get a palindrome (4463883644).

The spelling of 1343440213 in words is "one billion, three hundred forty-three million, four hundred forty thousand, two hundred thirteen".