43241331 has 32 divisors (see below), whose sum is σ = 67952128. Its totient is φ = 23950080.

The previous prime is 43241329. The next prime is 43241333. The reversal of 43241331 is 13314234.

It is an interprime number because it is at equal distance from previous prime (43241329) and next prime (43241333).

It is not a de Polignac number, because 43241331 - 2¹ = 43241329 is a prime.

It is a super-2 number, since 2×43241331² = 3739625413303122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43241298 and 43241307.

It is not an unprimeable number, because it can be changed into a prime (43241333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102501 + ... + 102921.

It is an arithmetic number, because the mean of its divisors is an integer number (2123504).

Almost surely, 2^43241331 is an apocalyptic number.

43241331 is a deficient number, since it is larger than the sum of its proper divisors (24710797).

43241331 is a wasteful number, since it uses less digits than its factorization.

43241331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its digits is 864, while the sum is 21.

The square root of 43241331 is about 6575.8140940875. The cubic root of 43241331 is about 350.9939934525.

Adding to 43241331 its reverse (13314234), we get a palindrome (56555565).

The spelling of 43241331 in words is "forty-three million, two hundred forty-one thousand, three hundred thirty-one".