16313317 has 4 divisors (see below), whose sum is σ = 16341696. Its totient is φ = 16284940.

The previous prime is 16313309. The next prime is 16313333. The reversal of 16313317 is 71331361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16313317 - 2³ = 16313309 is a prime.

It is a super-2 number, since 2×16313317² = 532248623084978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16313291 and 16313300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16313357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13309 + ... + 14482.

It is an arithmetic number, because the mean of its divisors is an integer number (4085424).

It is a self-describing number.

Almost surely, 2^16313317 is an apocalyptic number.

It is an amenable number.

16313317 is a deficient number, since it is larger than the sum of its proper divisors (28379).

16313317 is an equidigital number, since it uses as much as digits as its factorization.

16313317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28378.

The product of its digits is 1134, while the sum is 25.

The square root of 16313317 is about 4038.9747461454. The cubic root of 16313317 is about 253.6184000571.

Adding to 16313317 its reverse (71331361), we get a palindrome (87644678).

The spelling of 16313317 in words is "sixteen million, three hundred thirteen thousand, three hundred seventeen".