105042103231 has 16 divisors (see below), whose sum is σ = 122294351200. Its totient is φ = 89376006528.

The previous prime is 105042103223. The next prime is 105042103303. The reversal of 105042103231 is 132301240501.

It is a happy number.

It is not a de Polignac number, because 105042103231 - 2³ = 105042103223 is a prime.

It is a super-2 number, since 2×105042103231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105042103211) 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, 5737776 + ... + 5756053.

It is an arithmetic number, because the mean of its divisors is an integer number (7643396950).

Almost surely, 2^105042103231 is an apocalyptic number.

105042103231 is a deficient number, since it is larger than the sum of its proper divisors (17252247969).

105042103231 is a wasteful number, since it uses less digits than its factorization.

105042103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493898.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 105042103231 its reverse (132301240501), we get a palindrome (237343343732).

The spelling of 105042103231 in words is "one hundred five billion, forty-two million, one hundred three thousand, two hundred thirty-one".