4331043121 has 2 divisors, whose sum is σ = 4331043122. Its totient is φ = 4331043120.

The previous prime is 4331043107. The next prime is 4331043151. The reversal of 4331043121 is 1213401334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3817386225 + 513656896 = 61785^2 + 22664^2 .

It is a cyclic number.

It is not a de Polignac number, because 4331043121 - 2⁷ = 4331042993 is a prime.

It is a super-2 number, since 2×4331043121² = 37515869031922841282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4331043092 and 4331043101.

It is not a weakly prime, because it can be changed into another prime (4331043151) 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 as a sum of consecutive naturals, namely, 2165521560 + 2165521561.

It is an arithmetic number, because the mean of its divisors is an integer number (2165521561).

Almost surely, 2^4331043121 is an apocalyptic number.

It is an amenable number.

4331043121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4331043121 is an equidigital number, since it uses as much as digits as its factorization.

4331043121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4331043121 is about 65810.6611499991. The cubic root of 4331043121 is about 1630.0371503445.

Adding to 4331043121 its reverse (1213401334), we get a palindrome (5544444455).

The spelling of 4331043121 in words is "four billion, three hundred thirty-one million, forty-three thousand, one hundred twenty-one".