320043141 has 48 divisors (see below), whose sum is σ = 515973120. Its totient is φ = 189540000.

The previous prime is 320043107. The next prime is 320043161. The reversal of 320043141 is 141340023.

It is not a de Polignac number, because 320043141 - 2⁶ = 320043077 is a prime.

It is a super-2 number, since 2×320043141² = 204855224202291762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320043161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1180836 + ... + 1181106.

It is an arithmetic number, because the mean of its divisors is an integer number (10749440).

Almost surely, 2^320043141 is an apocalyptic number.

It is an amenable number.

320043141 is a deficient number, since it is larger than the sum of its proper divisors (195929979).

320043141 is a wasteful number, since it uses less digits than its factorization.

320043141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 320043141 is about 17889.7496069677. The cubic root of 320043141 is about 684.0211148196.

Adding to 320043141 its reverse (141340023), we get a palindrome (461383164).

The spelling of 320043141 in words is "three hundred twenty million, forty-three thousand, one hundred forty-one".