1313322112 has 32 divisors (see below), whose sum is σ = 2630131200. Its totient is φ = 653210880.

The previous prime is 1313322107. The next prime is 1313322121. The reversal of 1313322112 is 2112233131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1313322112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2412 + ... + 51307.

It is an arithmetic number, because the mean of its divisors is an integer number (82191600).

Almost surely, 2^1313322112 is an apocalyptic number.

It is an amenable number.

1313322112 is an abundant number, since it is smaller than the sum of its proper divisors (1316809088).

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

1313322112 is an equidigital number, since it uses as much as digits as its factorization.

1313322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53924 (or 53912 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 1313322112 is about 36239.7863128358. The cubic root of 1313322112 is about 1095.1083375917.

Adding to 1313322112 its reverse (2112233131), we get a palindrome (3425555243).

It can be divided in two parts, 13133 and 22112, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 1313322112 in words is "one billion, three hundred thirteen million, three hundred twenty-two thousand, one hundred twelve".