424220108231 has 2 divisors, whose sum is σ = 424220108232. Its totient is φ = 424220108230.

The previous prime is 424220108209. The next prime is 424220108233. The reversal of 424220108231 is 132801022424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424220108231 - 2³⁸ = 149342201287 is a prime.

It is a super-2 number, since 2×424220108231² (a number of 24 digits) contains 22 as substring.

Together with 424220108233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 424220108194 and 424220108203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424220108233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212110054115 + 212110054116.

It is an arithmetic number, because the mean of its divisors is an integer number (212110054116).

Almost surely, 2^424220108231 is an apocalyptic number.

424220108231 is a deficient number, since it is larger than the sum of its proper divisors (1).

424220108231 is an equidigital number, since it uses as much as digits as its factorization.

424220108231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 424220108231 in words is "four hundred twenty-four billion, two hundred twenty million, one hundred eight thousand, two hundred thirty-one".