1311163 has 8 divisors (see below), whose sum is σ = 1518080. Its totient is φ = 1109160.

The previous prime is 1311143. The next prime is 1311173. The reversal of 1311163 is 3611131.

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

It is not a de Polignac number, because 1311163 - 2⁵ = 1311131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311103) 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, 633 + ... + 1738.

It is an arithmetic number, because the mean of its divisors is an integer number (189760).

2^1311163 is an apocalyptic number.

1311163 is a deficient number, since it is larger than the sum of its proper divisors (206917).

1311163 is an equidigital number, since it uses as much as digits as its factorization.

1311163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457.

The product of its digits is 54, while the sum is 16.

The square root of 1311163 is about 1145.0602604230. The cubic root of 1311163 is about 109.4507886149.

Adding to 1311163 its reverse (3611131), we get a palindrome (4922294).

Subtracting 1311163 from its reverse (3611131), we obtain a cube (2299968 = 132³).

The spelling of 1311163 in words is "one million, three hundred eleven thousand, one hundred sixty-three".