43041131031 has 4 divisors (see below), whose sum is σ = 57388174712. Its totient is φ = 28694087352.

The previous prime is 43041131017. The next prime is 43041131039. The reversal of 43041131031 is 13013114034.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 43041131031 - 2¹⁴ = 43041114647 is a prime.

It is a super-2 number, since 2×43041131031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43041130989 and 43041131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43041131039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7173521836 + ... + 7173521841.

It is an arithmetic number, because the mean of its divisors is an integer number (14347043678).

Almost surely, 2^43041131031 is an apocalyptic number.

43041131031 is a deficient number, since it is larger than the sum of its proper divisors (14347043681).

43041131031 is a wasteful number, since it uses less digits than its factorization.

43041131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14347043680.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 43041131031 its reverse (13013114034), we get a palindrome (56054245065).

The spelling of 43041131031 in words is "forty-three billion, forty-one million, one hundred thirty-one thousand, thirty-one".