320043022011 has 24 divisors (see below), whose sum is σ = 473399502576. Its totient is φ = 208239595200.

The previous prime is 320043022009. The next prime is 320043022027. The reversal of 320043022011 is 110220340023.

320043022011 is a `hidden beast` number, since 3 + 2 + 0 + 0 + 430 + 220 + 11 = 666.

It is not a de Polignac number, because 320043022011 - 2¹ = 320043022009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320043022511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185661 + ... + 821313.

It is an arithmetic number, because the mean of its divisors is an integer number (19724979274).

Almost surely, 2^320043022011 is an apocalyptic number.

320043022011 is a deficient number, since it is larger than the sum of its proper divisors (153356480565).

320043022011 is a wasteful number, since it uses less digits than its factorization.

320043022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637003 (or 637000 counting only the distinct ones).

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

Adding to 320043022011 its reverse (110220340023), we get a palindrome (430263362034).

The spelling of 320043022011 in words is "three hundred twenty billion, forty-three million, twenty-two thousand, eleven".