4231347121 has 8 divisors (see below), whose sum is σ = 4351190760. Its totient is φ = 4111792128.

The previous prime is 4231347089. The next prime is 4231347181. The reversal of 4231347121 is 1217431324.

It can be written as a sum of positive squares in 4 ways, for example, as 1151652096 + 3079695025 = 33936^2 + 55495^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4231347121 - 2⁵ = 4231347089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4231347121.

It is not an unprimeable number, because it can be changed into a prime (4231347181) 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 7 ways as a sum of consecutive naturals, for example, 42256 + ... + 101233.

It is an arithmetic number, because the mean of its divisors is an integer number (543898845).

Almost surely, 2^4231347121 is an apocalyptic number.

It is an amenable number.

4231347121 is a deficient number, since it is larger than the sum of its proper divisors (119843639).

4231347121 is a wasteful number, since it uses less digits than its factorization.

4231347121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144323.

The product of its digits is 4032, while the sum is 28.

The square root of 4231347121 is about 65048.8056846550. The cubic root of 4231347121 is about 1617.4326964169.

Adding to 4231347121 its reverse (1217431324), we get a palindrome (5448778445).

The spelling of 4231347121 in words is "four billion, two hundred thirty-one million, three hundred forty-seven thousand, one hundred twenty-one".