1312103444144 has 10 divisors (see below), whose sum is σ = 2542200423060. Its totient is φ = 656051722064.

The previous prime is 1312103444137. The next prime is 1312103444161. The reversal of 1312103444144 is 4414443012131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312103444144.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41003232614 + ... + 41003232645.

It is an arithmetic number, because the mean of its divisors is an integer number (254220042306).

Almost surely, 2^{1312103444144} is an apocalyptic number.

It is an amenable number.

1312103444144 is a deficient number, since it is larger than the sum of its proper divisors (1230096978916).

1312103444144 is an equidigital number, since it uses as much as digits as its factorization.

1312103444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82006465267 (or 82006465261 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 1312103444144 its reverse (4414443012131), we get a palindrome (5726546456275).

The spelling of 1312103444144 in words is "one trillion, three hundred twelve billion, one hundred three million, four hundred forty-four thousand, one hundred forty-four".