4431211102231 has 2 divisors, whose sum is σ = 4431211102232. Its totient is φ = 4431211102230.

The previous prime is 4431211102229. The next prime is 4431211102261. The reversal of 4431211102231 is 1322011121344.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4431211102231 - 2¹ = 4431211102229 is a prime.

It is a super-2 number, since 2×4431211102231² (a number of 26 digits) contains 22 as substring.

Together with 4431211102229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4431211102196 and 4431211102205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4431211102261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215605551115 + 2215605551116.

It is an arithmetic number, because the mean of its divisors is an integer number (2215605551116).

Almost surely, 2^{4431211102231} is an apocalyptic number.

4431211102231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431211102231 is an equidigital number, since it uses as much as digits as its factorization.

4431211102231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 4431211102231 its reverse (1322011121344), we get a palindrome (5753222223575).

The spelling of 4431211102231 in words is "four trillion, four hundred thirty-one billion, two hundred eleven million, one hundred two thousand, two hundred thirty-one".