43412331 has 8 divisors (see below), whose sum is σ = 58533840. Its totient is φ = 28616192.

The previous prime is 43412309. The next prime is 43412363. The reversal of 43412331 is 13321434.

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

It is a cyclic number.

It is not a de Polignac number, because 43412331 - 2²¹ = 41315179 is a prime.

It is a super-2 number, since 2×43412331² = 3769260965707122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43412298 and 43412307.

It is not an unprimeable number, because it can be changed into a prime (43412531) 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, 81030 + ... + 81563.

It is an arithmetic number, because the mean of its divisors is an integer number (7316730).

Almost surely, 2^43412331 is an apocalyptic number.

43412331 is a deficient number, since it is larger than the sum of its proper divisors (15121509).

43412331 is a wasteful number, since it uses less digits than its factorization.

43412331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162685.

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

The square root of 43412331 is about 6588.8034573813. The cubic root of 43412331 is about 351.4560593165.

Adding to 43412331 its reverse (13321434), we get a palindrome (56733765).

The spelling of 43412331 in words is "forty-three million, four hundred twelve thousand, three hundred thirty-one".