320231012 has 12 divisors (see below), whose sum is σ = 560529900. Its totient is φ = 160079616.

The previous prime is 320231011. The next prime is 320231027. The reversal of 320231012 is 210132023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198922816 + 121308196 = 14104^2 + 11014^2 .

It is not an unprimeable number, because it can be changed into a prime (320231011) 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 3 ways as a sum of consecutive naturals, for example, 28364 + ... + 38012.

It is an arithmetic number, because the mean of its divisors is an integer number (46710825).

Almost surely, 2^320231012 is an apocalyptic number.

It is an amenable number.

320231012 is a deficient number, since it is larger than the sum of its proper divisors (240298888).

320231012 is a wasteful number, since it uses less digits than its factorization.

320231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17950 (or 17948 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 320231012 is about 17894.9996367700. Note that the first 3 decimals coincide. The cubic root of 320231012 is about 684.1549328139.

Adding to 320231012 its reverse (210132023), we get a palindrome (530363035).

The spelling of 320231012 in words is "three hundred twenty million, two hundred thirty-one thousand, twelve".