444321213303331 has 16 divisors (see below), whose sum is σ = 546868097040384. Its totient is φ = 351543637789344.

The previous prime is 444321213303329. The next prime is 444321213303361. The reversal of 444321213303331 is 133303312123444.

It is not a de Polignac number, because 444321213303331 - 2¹ = 444321213303329 is a prime.

It is a super-2 number, since 2×444321213303331² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444321213303311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45623215 + ... + 54498808.

It is an arithmetic number, because the mean of its divisors is an integer number (34179256065024).

Almost surely, 2^{444321213303331} is an apocalyptic number.

444321213303331 is a deficient number, since it is larger than the sum of its proper divisors (102546883737053).

444321213303331 is a wasteful number, since it uses less digits than its factorization.

444321213303331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100170810.

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 444321213303331 its reverse (133303312123444), we get a palindrome (577624525426775).

The spelling of 444321213303331 in words is "four hundred forty-four trillion, three hundred twenty-one billion, two hundred thirteen million, three hundred three thousand, three hundred thirty-one".