1313617217 has 8 divisors (see below), whose sum is σ = 1517333472. Its totient is φ = 1123950400.

The previous prime is 1313617213. The next prime is 1313617223. The reversal of 1313617217 is 7127163131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313617217 - 2² = 1313617213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313617213) 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 7 ways as a sum of consecutive naturals, for example, 3512159 + ... + 3512532.

It is an arithmetic number, because the mean of its divisors is an integer number (189666684).

Almost surely, 2^1313617217 is an apocalyptic number.

1313617217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1313617217 is a deficient number, since it is larger than the sum of its proper divisors (203716255).

1313617217 is a wasteful number, since it uses less digits than its factorization.

1313617217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024719.

The product of its digits is 5292, while the sum is 32.

The square root of 1313617217 is about 36243.8576451238. The cubic root of 1313617217 is about 1095.1903554862.

The spelling of 1313617217 in words is "one billion, three hundred thirteen million, six hundred seventeen thousand, two hundred seventeen".