22143304031 has 2 divisors, whose sum is σ = 22143304032. Its totient is φ = 22143304030.

The previous prime is 22143304009. The next prime is 22143304091. The reversal of 22143304031 is 13040334122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22143304031 is a prime.

It is a super-2 number, since 2×22143304031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22143303988 and 22143304006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22143304091) 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, 11071652015 + 11071652016.

It is an arithmetic number, because the mean of its divisors is an integer number (11071652016).

Almost surely, 2^22143304031 is an apocalyptic number.

22143304031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143304031 is an equidigital number, since it uses as much as digits as its factorization.

22143304031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22143304031 its reverse (13040334122), we get a palindrome (35183638153).

The spelling of 22143304031 in words is "twenty-two billion, one hundred forty-three million, three hundred four thousand, thirty-one".