541216331 has 2 divisors, whose sum is σ = 541216332. Its totient is φ = 541216330.

The previous prime is 541216309. The next prime is 541216373. The reversal of 541216331 is 133612145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 541216331 - 2¹⁰ = 541215307 is a prime.

It is a super-2 number, since 2×541216331² = 585830233882203122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 541216331.

It is not a weakly prime, because it can be changed into another prime (541216931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270608165 + 270608166.

It is an arithmetic number, because the mean of its divisors is an integer number (270608166).

Almost surely, 2^541216331 is an apocalyptic number.

541216331 is a deficient number, since it is larger than the sum of its proper divisors (1).

541216331 is an equidigital number, since it uses as much as digits as its factorization.

541216331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 541216331 is about 23264.0566324964. The cubic root of 541216331 is about 814.9362395074.

Adding to 541216331 its reverse (133612145), we get a palindrome (674828476).

The spelling of 541216331 in words is "five hundred forty-one million, two hundred sixteen thousand, three hundred thirty-one".