22431310117 has 2 divisors, whose sum is σ = 22431310118. Its totient is φ = 22431310116.

The previous prime is 22431310063. The next prime is 22431310147. The reversal of 22431310117 is 71101313422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22375971396 + 55338721 = 149586^2 + 7439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22431310117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22431310091 and 22431310100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22431310147) 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, 11215655058 + 11215655059.

It is an arithmetic number, because the mean of its divisors is an integer number (11215655059).

Almost surely, 2^22431310117 is an apocalyptic number.

It is an amenable number.

22431310117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431310117 is an equidigital number, since it uses as much as digits as its factorization.

22431310117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 22431310117 its reverse (71101313422), we get a palindrome (93532623539).

The spelling of 22431310117 in words is "twenty-two billion, four hundred thirty-one million, three hundred ten thousand, one hundred seventeen".