120443243331 has 32 divisors (see below), whose sum is σ = 163091335680. Its totient is φ = 79055712000.

The previous prime is 120443243317. The next prime is 120443243351. The reversal of 120443243331 is 133342344021.

It is a happy number.

It is not a de Polignac number, because 120443243331 - 2⁹ = 120443242819 is a prime.

It is a super-2 number, since 2×120443243331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120443243351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49954516 + ... + 49956926.

It is an arithmetic number, because the mean of its divisors is an integer number (5096604240).

Almost surely, 2^120443243331 is an apocalyptic number.

120443243331 is a deficient number, since it is larger than the sum of its proper divisors (42648092349).

120443243331 is a wasteful number, since it uses less digits than its factorization.

120443243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 120443243331 its reverse (133342344021), we get a palindrome (253785587352).

The spelling of 120443243331 in words is "one hundred twenty billion, four hundred forty-three million, two hundred forty-three thousand, three hundred thirty-one".