1311083368 has 64 divisors (see below), whose sum is σ = 2893824000. Its totient is φ = 545268672.

The previous prime is 1311083351. The next prime is 1311083383. The reversal of 1311083368 is 8633801131.

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, 258505 + ... + 263527.

It is an arithmetic number, because the mean of its divisors is an integer number (45216000).

Almost surely, 2^1311083368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311083368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446912000).

1311083368 is an abundant number, since it is smaller than the sum of its proper divisors (1582740632).

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

1311083368 is a wasteful number, since it uses less digits than its factorization.

1311083368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1311083368 is about 36208.8852079155. The cubic root of 1311083368 is about 1094.4857278018.

Adding to 1311083368 its reverse (8633801131), we get a palindrome (9944884499).

The spelling of 1311083368 in words is "one billion, three hundred eleven million, eighty-three thousand, three hundred sixty-eight".