1311771282 has 16 divisors (see below), whose sum is σ = 2737609920. Its totient is φ = 418245872.

The previous prime is 1311771271. The next prime is 1311771299. The reversal of 1311771282 is 2821771131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4752657 + ... + 4752932.

It is an arithmetic number, because the mean of its divisors is an integer number (171100620).

Almost surely, 2^1311771282 is an apocalyptic number.

1311771282 is an abundant number, since it is smaller than the sum of its proper divisors (1425838638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311771282 is a wasteful number, since it uses less digits than its factorization.

1311771282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505617.

The product of its digits is 4704, while the sum is 33.

The square root of 1311771282 is about 36218.3832052178. The cubic root of 1311771282 is about 1094.6771167019.

The spelling of 1311771282 in words is "one billion, three hundred eleven million, seven hundred seventy-one thousand, two hundred eighty-two".