4231321220140 has 24 divisors (see below), whose sum is σ = 10155170928672. Its totient is φ = 1450738704000.

The previous prime is 4231321220129. The next prime is 4231321220141. The reversal of 4231321220140 is 410221231324.

It is not an unprimeable number, because it can be changed into a prime (4231321220141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15111861361 + ... + 15111861640.

It is an arithmetic number, because the mean of its divisors is an integer number (423132122028).

Almost surely, 2^{4231321220140} is an apocalyptic number.

It is an amenable number.

4231321220140 is an abundant number, since it is smaller than the sum of its proper divisors (5923849708532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4231321220140 is a wasteful number, since it uses less digits than its factorization.

4231321220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30223723017 (or 30223723015 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4231321220140 its reverse (410221231324), we get a palindrome (4641542451464).

The spelling of 4231321220140 in words is "four trillion, two hundred thirty-one billion, three hundred twenty-one million, two hundred twenty thousand, one hundred forty".