1312203044 has 12 divisors (see below), whose sum is σ = 2339683164. Its totient is φ = 643722144.

The previous prime is 1312203037. The next prime is 1312203077. The reversal of 1312203044 is 4403022131.

It can be written as a sum of positive squares in 2 ways, for example, as 411602944 + 900600100 = 20288^2 + 30010^2 .

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, 3094607 + ... + 3095030.

It is an arithmetic number, because the mean of its divisors is an integer number (194973597).

Almost surely, 2^1312203044 is an apocalyptic number.

It is an amenable number.

1312203044 is a deficient number, since it is larger than the sum of its proper divisors (1027480120).

1312203044 is a wasteful number, since it uses less digits than its factorization.

1312203044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189694 (or 6189692 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1312203044 is about 36224.3432514656. The cubic root of 1312203044 is about 1094.7972057605.

Adding to 1312203044 its reverse (4403022131), we get a palindrome (5715225175).

The spelling of 1312203044 in words is "one billion, three hundred twelve million, two hundred three thousand, forty-four".