1305316163 has 4 divisors (see below), whose sum is σ = 1347423168. Its totient is φ = 1263209160.

The previous prime is 1305316153. The next prime is 1305316193. The reversal of 1305316163 is 3616135031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3616135031 = 24809 ⋅145759.

It is a cyclic number.

It is not a de Polignac number, because 1305316163 - 2¹⁶ = 1305250627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305316123) 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, 21053456 + ... + 21053517.

It is an arithmetic number, because the mean of its divisors is an integer number (336855792).

Almost surely, 2^1305316163 is an apocalyptic number.

1305316163 is a deficient number, since it is larger than the sum of its proper divisors (42107005).

1305316163 is an equidigital number, since it uses as much as digits as its factorization.

1305316163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42107004.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1305316163 is about 36129.1594560405. The cubic root of 1305316163 is about 1092.8785578142.

The spelling of 1305316163 in words is "one billion, three hundred five million, three hundred sixteen thousand, one hundred sixty-three".