41334431031221 has 4 divisors (see below), whose sum is σ = 41334443986572. Its totient is φ = 41334418075872.

The previous prime is 41334431031193. The next prime is 41334431031239. The reversal of 41334431031221 is 12213013443314.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 38233260723025 + 3101170308196 = 6183305^2 + 1761014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41334431031221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41334431036221) 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, 2052185 + ... + 9320961.

It is an arithmetic number, because the mean of its divisors is an integer number (10333610996643).

Almost surely, 2^{41334431031221} is an apocalyptic number.

It is an amenable number.

41334431031221 is a deficient number, since it is larger than the sum of its proper divisors (12955351).

41334431031221 is an equidigital number, since it uses as much as digits as its factorization.

41334431031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955350.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 41334431031221 its reverse (12213013443314), we get a palindrome (53547444474535).

The spelling of 41334431031221 in words is "forty-one trillion, three hundred thirty-four billion, four hundred thirty-one million, thirty-one thousand, two hundred twenty-one".