1348318217 has 4 divisors (see below), whose sum is σ = 1349856516. Its totient is φ = 1346779920.

The previous prime is 1348318211. The next prime is 1348318219. The reversal of 1348318217 is 7128138431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7128138431 = 7019 ⋅1015549.

It can be written as a sum of positive squares in 2 ways, for example, as 905468281 + 442849936 = 30091^2 + 21044^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348318217 - 2¹⁴ = 1348301833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348318211) 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 in 3 ways as a sum of consecutive naturals, for example, 767834 + ... + 769587.

It is an arithmetic number, because the mean of its divisors is an integer number (337464129).

Almost surely, 2^1348318217 is an apocalyptic number.

It is an amenable number.

1348318217 is a deficient number, since it is larger than the sum of its proper divisors (1538299).

1348318217 is an equidigital number, since it uses as much as digits as its factorization.

1348318217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538298.

The product of its digits is 32256, while the sum is 38.

The square root of 1348318217 is about 36719.4528417840. The cubic root of 1348318217 is about 1104.7503150632.

The spelling of 1348318217 in words is "one billion, three hundred forty-eight million, three hundred eighteen thousand, two hundred seventeen".