4331231121 has 8 divisors (see below), whose sum is σ = 6599971264. Its totient is φ = 2474989200.

The previous prime is 4331231119. The next prime is 4331231141. The reversal of 4331231121 is 1211321334.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4331231121 - 2¹ = 4331231119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 206249101 = 4331231121 / (4 + 3 + 3 + 1 + 2 + 3 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4331231101) 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 7 ways as a sum of consecutive naturals, for example, 103124530 + ... + 103124571.

It is an arithmetic number, because the mean of its divisors is an integer number (824996408).

Almost surely, 2^4331231121 is an apocalyptic number.

It is an amenable number.

4331231121 is a deficient number, since it is larger than the sum of its proper divisors (2268740143).

4331231121 is a wasteful number, since it uses less digits than its factorization.

4331231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206249111.

The product of its digits is 432, while the sum is 21.

The square root of 4331231121 is about 65812.0894745031. The cubic root of 4331231121 is about 1630.0607353133.

Adding to 4331231121 its reverse (1211321334), we get a palindrome (5542552455).

The spelling of 4331231121 in words is "four billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred twenty-one".