43040243031 has 8 divisors (see below), whose sum is σ = 60407358720. Its totient is φ = 27183311352.

The previous prime is 43040242979. The next prime is 43040243033. The reversal of 43040243031 is 13034204034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43040243031 - 2¹⁵ = 43040210263 is a prime.

It is a super-2 number, since 2×43040243031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43040242992 and 43040243010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43040243033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377545935 + ... + 377546048.

It is an arithmetic number, because the mean of its divisors is an integer number (7550919840).

Almost surely, 2^43040243031 is an apocalyptic number.

43040243031 is a deficient number, since it is larger than the sum of its proper divisors (17367115689).

43040243031 is a wasteful number, since it uses less digits than its factorization.

43040243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755092005.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 43040243031 its reverse (13034204034), we get a palindrome (56074447065).

The spelling of 43040243031 in words is "forty-three billion, forty million, two hundred forty-three thousand, thirty-one".