1312110011103 has 16 divisors (see below), whose sum is σ = 1869043854720. Its totient is φ = 816332384736.

The previous prime is 1312110011101. The next prime is 1312110011117. The reversal of 1312110011103 is 3011100112131.

It is not a de Polignac number, because 1312110011103 - 2¹ = 1312110011101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312110011101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171783300 + ... + 171790937.

It is an arithmetic number, because the mean of its divisors is an integer number (116815240920).

Almost surely, 2^{1312110011103} is an apocalyptic number.

1312110011103 is a deficient number, since it is larger than the sum of its proper divisors (556933843617).

1312110011103 is a wasteful number, since it uses less digits than its factorization.

1312110011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343574326.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1312110011103 its reverse (3011100112131), we get a palindrome (4323210123234).

The spelling of 1312110011103 in words is "one trillion, three hundred twelve billion, one hundred ten million, eleven thousand, one hundred three".