1311163382 has 4 divisors (see below), whose sum is σ = 1966745076. Its totient is φ = 655581690.

The previous prime is 1311163379. The next prime is 1311163409. The reversal of 1311163382 is 2833611131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327790844 + ... + 327790847.

It is an arithmetic number, because the mean of its divisors is an integer number (491686269).

Almost surely, 2^1311163382 is an apocalyptic number.

1311163382 is a deficient number, since it is larger than the sum of its proper divisors (655581694).

1311163382 is an equidigital number, since it uses as much as digits as its factorization.

1311163382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655581693.

The product of its digits is 2592, while the sum is 29.

The square root of 1311163382 is about 36209.9900856104. The cubic root of 1311163382 is about 1094.5079924423.

The spelling of 1311163382 in words is "one billion, three hundred eleven million, one hundred sixty-three thousand, three hundred eighty-two".