43041331 has 16 divisors (see below), whose sum is σ = 47084544. Its totient is φ = 39187584.

The previous prime is 43041329. The next prime is 43041347. The reversal of 43041331 is 13314034.

43041331 = 481² + 482² + ... + 621².

It is not a de Polignac number, because 43041331 - 2¹ = 43041329 is a prime.

It is a super-2 number, since 2×43041331² = 3705112348503122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43041299 and 43041308.

It is not an unprimeable number, because it can be changed into a prime (43041301) 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, 82036 + ... + 82558.

It is an arithmetic number, because the mean of its divisors is an integer number (2942784).

Almost surely, 2^43041331 is an apocalyptic number.

43041331 is a deficient number, since it is larger than the sum of its proper divisors (4043213).

43041331 is a wasteful number, since it uses less digits than its factorization.

With its successor (43041332) it forms an eRAP, since the sums of their prime factors are consecutive (690 and 691).

43041331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 43041331 is about 6560.5892265863. The cubic root of 43041331 is about 350.4520173387.

Adding to 43041331 its reverse (13314034), we get a palindrome (56355365).

The spelling of 43041331 in words is "forty-three million, forty-one thousand, three hundred thirty-one".