1313318912 has 48 divisors (see below), whose sum is σ = 2764288800. Its totient is φ = 622080000.

The previous prime is 1313318899. The next prime is 1313318921. The reversal of 1313318912 is 2198133131.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 22037 + ... + 55787.

It is an arithmetic number, because the mean of its divisors is an integer number (57589350).

Almost surely, 2^1313318912 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 1313318912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382144400).

1313318912 is an abundant number, since it is smaller than the sum of its proper divisors (1450969888).

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

1313318912 is an equidigital number, since it uses as much as digits as its factorization.

1313318912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33792 (or 33772 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 1313318912 is about 36239.7421624382. The cubic root of 1313318912 is about 1095.1074481553.

The spelling of 1313318912 in words is "one billion, three hundred thirteen million, three hundred eighteen thousand, nine hundred twelve".