1343305109 has 2 divisors, whose sum is σ = 1343305110. Its totient is φ = 1343305108.

The previous prime is 1343305049. The next prime is 1343305121. The reversal of 1343305109 is 9015033431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1343002609 + 302500 = 36647^2 + 550^2 .

It is an emirp because it is prime and its reverse (9015033431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343305109 - 2²⁰ = 1342256533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343305189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671652554 + 671652555.

It is an arithmetic number, because the mean of its divisors is an integer number (671652555).

Almost surely, 2^1343305109 is an apocalyptic number.

It is an amenable number.

1343305109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343305109 is an equidigital number, since it uses as much as digits as its factorization.

1343305109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1343305109 is about 36651.1269813085. The cubic root of 1343305109 is about 1103.3794441552.

The spelling of 1343305109 in words is "one billion, three hundred forty-three million, three hundred five thousand, one hundred nine".