4432121231 has 2 divisors, whose sum is σ = 4432121232. Its totient is φ = 4432121230.

The previous prime is 4432121219. The next prime is 4432121269. The reversal of 4432121231 is 1321212344.

4432121231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4432121231 - 2⁶ = 4432121167 is a prime.

It is a super-2 number, since 2×4432121231² = 39287397212561910722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4432121197 and 4432121206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4432129231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2216060615 + 2216060616.

It is an arithmetic number, because the mean of its divisors is an integer number (2216060616).

Almost surely, 2^4432121231 is an apocalyptic number.

4432121231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4432121231 is an equidigital number, since it uses as much as digits as its factorization.

4432121231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 4432121231 is about 66574.1784102515. The cubic root of 4432121231 is about 1642.6203933692.

Adding to 4432121231 its reverse (1321212344), we get a palindrome (5753333575).

The spelling of 4432121231 in words is "four billion, four hundred thirty-two million, one hundred twenty-one thousand, two hundred thirty-one".