43341631 has 4 divisors (see below), whose sum is σ = 44836200. Its totient is φ = 41847064.

The previous prime is 43341629. The next prime is 43341647. The reversal of 43341631 is 13614334.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 43341631 - 2¹ = 43341629 is a prime.

It is a super-2 number, since 2×43341631² = 3756993955480322, 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 = 43341596 and 43341605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43341031) 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, 747241 + ... + 747298.

It is an arithmetic number, because the mean of its divisors is an integer number (11209050).

Almost surely, 2^43341631 is an apocalyptic number.

43341631 is a deficient number, since it is larger than the sum of its proper divisors (1494569).

43341631 is a wasteful number, since it uses less digits than its factorization.

43341631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494568.

The product of its digits is 2592, while the sum is 25.

The square root of 43341631 is about 6583.4361089024. The cubic root of 43341631 is about 351.2651654399.

Adding to 43341631 its reverse (13614334), we get a palindrome (56955965).

The spelling of 43341631 in words is "forty-three million, three hundred forty-one thousand, six hundred thirty-one".