424433111231 has 2 divisors, whose sum is σ = 424433111232. Its totient is φ = 424433111230.

The previous prime is 424433111227. The next prime is 424433111243. The reversal of 424433111231 is 132111334424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424433111231 - 2² = 424433111227 is a prime.

It is a super-2 number, since 2×424433111231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424433111194 and 424433111203.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212216555615 + 212216555616.

It is an arithmetic number, because the mean of its divisors is an integer number (212216555616).

Almost surely, 2^424433111231 is an apocalyptic number.

424433111231 is a deficient number, since it is larger than the sum of its proper divisors (1).

424433111231 is an equidigital number, since it uses as much as digits as its factorization.

424433111231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

Adding to 424433111231 its reverse (132111334424), we get a palindrome (556544445655).

The spelling of 424433111231 in words is "four hundred twenty-four billion, four hundred thirty-three million, one hundred eleven thousand, two hundred thirty-one".