1343305277 has 2 divisors, whose sum is σ = 1343305278. Its totient is φ = 1343305276.

The previous prime is 1343305273. The next prime is 1343305279. The reversal of 1343305277 is 7725033431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1320159556 + 23145721 = 36334^2 + 4811^2 .

It is an emirp because it is prime and its reverse (7725033431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343305277 - 2² = 1343305273 is a prime.

Together with 1343305279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343305273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671652638 + 671652639.

It is an arithmetic number, because the mean of its divisors is an integer number (671652639).

Almost surely, 2^1343305277 is an apocalyptic number.

It is an amenable number.

1343305277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343305277 is an equidigital number, since it uses as much as digits as its factorization.

1343305277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 1343305277 is about 36651.1292731888. The cubic root of 1343305277 is about 1103.3794901531.

The spelling of 1343305277 in words is "one billion, three hundred forty-three million, three hundred five thousand, two hundred seventy-seven".