1311647682 has 32 divisors (see below), whose sum is σ = 2780246592. Its totient is φ = 411106304.

The previous prime is 1311647663. The next prime is 1311647693. The reversal of 1311647682 is 2867461131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311647682.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113098 + ... + 124154.

It is an arithmetic number, because the mean of its divisors is an integer number (86882706).

Almost surely, 2^1311647682 is an apocalyptic number.

1311647682 is an abundant number, since it is smaller than the sum of its proper divisors (1468598910).

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

1311647682 is a wasteful number, since it uses less digits than its factorization.

1311647682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12242.

The product of its digits is 48384, while the sum is 39.

The square root of 1311647682 is about 36216.6768492086. The cubic root of 1311647682 is about 1094.6427340969.

The spelling of 1311647682 in words is "one billion, three hundred eleven million, six hundred forty-seven thousand, six hundred eighty-two".