1316171305 has 8 divisors (see below), whose sum is σ = 1616136192. Its totient is φ = 1028449968.

The previous prime is 1316171303. The next prime is 1316171333. The reversal of 1316171305 is 5031716131.

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 1316171305 - 2¹ = 1316171303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316171303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060649 + ... + 3061078.

It is an arithmetic number, because the mean of its divisors is an integer number (202017024).

Almost surely, 2^1316171305 is an apocalyptic number.

It is an amenable number.

1316171305 is a deficient number, since it is larger than the sum of its proper divisors (299964887).

1316171305 is an equidigital number, since it uses as much as digits as its factorization.

1316171305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121775.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1316171305 is about 36279.0753051949. The cubic root of 1316171305 is about 1095.8996949536.

Adding to 1316171305 its reverse (5031716131), we get a palindrome (6347887436).

The spelling of 1316171305 in words is "one billion, three hundred sixteen million, one hundred seventy-one thousand, three hundred five".