1312110232103 has 24 divisors (see below), whose sum is σ = 1499208809616. Its totient is φ = 1138772835200.

The previous prime is 1312110232099. The next prime is 1312110232141. The reversal of 1312110232103 is 3012320112131.

It is a happy number.

It is not a de Polignac number, because 1312110232103 - 2² = 1312110232099 is a prime.

It is a super-2 number, since 2×1312110232103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312110232403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2815301 + ... + 3248097.

It is an arithmetic number, because the mean of its divisors is an integer number (62467033734).

Almost surely, 2^{1312110232103} is an apocalyptic number.

1312110232103 is a deficient number, since it is larger than the sum of its proper divisors (187098577513).

1312110232103 is a wasteful number, since it uses less digits than its factorization.

1312110232103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433375 (or 433352 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1312110232103 its reverse (3012320112131), we get a palindrome (4324430344234).

The spelling of 1312110232103 in words is "one trillion, three hundred twelve billion, one hundred ten million, two hundred thirty-two thousand, one hundred three".