1312000044 has 24 divisors (see below), whose sum is σ = 3069685248. Its totient is φ = 436140240.

The previous prime is 1312000033. The next prime is 1312000061. The reversal of 1312000044 is 4400002131.

It is a junction number, because it is equal to n+sod(n) for n = 1311999987 and 1312000032.

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 7 ways as a sum of consecutive naturals, for example, 144552 + ... + 153359.

It is an arithmetic number, because the mean of its divisors is an integer number (127903552).

Almost surely, 2^1312000044 is an apocalyptic number.

It is an amenable number.

1312000044 is an abundant number, since it is smaller than the sum of its proper divisors (1757685204).

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

1312000044 is a wasteful number, since it uses less digits than its factorization.

1312000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298285 (or 298283 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1312000044 is about 36221.5411599231. The cubic root of 1312000044 is about 1094.7407471976.

Adding to 1312000044 its reverse (4400002131), we get a palindrome (5712002175).

The spelling of 1312000044 in words is "one billion, three hundred twelve million, forty-four", and thus it is an aban number.