1083381312 has 112 divisors (see below), whose sum is σ = 3170643392. Its totient is φ = 324311040.

The previous prime is 1083381301. The next prime is 1083381317. The reversal of 1083381312 is 2131833801.

It is a self number, because there is not a number n which added to its sum of digits gives 1083381312.

It is not an unprimeable number, because it can be changed into a prime (1083381317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86487 + ... + 98217.

It is an arithmetic number, because the mean of its divisors is an integer number (28309316).

Almost surely, 2^1083381312 is an apocalyptic number.

1083381312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1083381312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585321696).

1083381312 is an abundant number, since it is smaller than the sum of its proper divisors (2087262080).

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

1083381312 is a wasteful number, since it uses less digits than its factorization.

1083381312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11796 (or 11786 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1083381312 is about 32914.7582704172. The cubic root of 1083381312 is about 1027.0551862506.

The spelling of 1083381312 in words is "one billion, eighty-three million, three hundred eighty-one thousand, three hundred twelve".