1343311273 has 2 divisors, whose sum is σ = 1343311274. Its totient is φ = 1343311272.

The previous prime is 1343311261. The next prime is 1343311309. The reversal of 1343311273 is 3721133431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1061977744 + 281333529 = 32588^2 + 16773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343311273 - 2⁵ = 1343311241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343311243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671655636 + 671655637.

It is an arithmetic number, because the mean of its divisors is an integer number (671655637).

Almost surely, 2^1343311273 is an apocalyptic number.

It is an amenable number.

1343311273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343311273 is an equidigital number, since it uses as much as digits as its factorization.

1343311273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 28.

The square root of 1343311273 is about 36651.2110713957. The cubic root of 1343311273 is about 1103.3811318384.

The spelling of 1343311273 in words is "one billion, three hundred forty-three million, three hundred eleven thousand, two hundred seventy-three".