43100131023 has 20 divisors (see below), whose sum is σ = 64419228720. Its totient is φ = 28717764192.

The previous prime is 43100131003. The next prime is 43100131037. The reversal of 43100131023 is 32013100134.

It is not a de Polignac number, because 43100131023 - 2¹⁰ = 43100129999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43100130987 and 43100131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43100131003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5563 + ... + 293651.

It is an arithmetic number, because the mean of its divisors is an integer number (3220961436).

Almost surely, 2^43100131023 is an apocalyptic number.

43100131023 is a deficient number, since it is larger than the sum of its proper divisors (21319097697).

43100131023 is a wasteful number, since it uses less digits than its factorization.

43100131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289948 (or 289939 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 43100131023 its reverse (32013100134), we get a palindrome (75113231157).

The spelling of 43100131023 in words is "forty-three billion, one hundred million, one hundred thirty-one thousand, twenty-three".