11312042103 has 12 divisors (see below), whose sum is σ = 17199596440. Its totient is φ = 7144447536.

The previous prime is 11312042089. The next prime is 11312042107. The reversal of 11312042103 is 30124021311.

It is not a de Polignac number, because 11312042103 - 2¹² = 11312038007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312042107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33075976 + ... + 33076317.

Almost surely, 2^11312042103 is an apocalyptic number.

11312042103 is a deficient number, since it is larger than the sum of its proper divisors (5887554337).

11312042103 is a wasteful number, since it uses less digits than its factorization.

11312042103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66152318 (or 66152315 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11312042103 its reverse (30124021311), we get a palindrome (41436063414).

The spelling of 11312042103 in words is "eleven billion, three hundred twelve million, forty-two thousand, one hundred three".