20223010313161 has 2 divisors, whose sum is σ = 20223010313162. Its totient is φ = 20223010313160.

The previous prime is 20223010313153. The next prime is 20223010313173. The reversal of 20223010313161 is 16131301032202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20156113077136 + 66897236025 = 4489556^2 + 258645^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223010313161 - 2³ = 20223010313153 is a prime.

It is a super-2 number, since 2×20223010313161² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20223010313111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111505156580 + 10111505156581.

It is an arithmetic number, because the mean of its divisors is an integer number (10111505156581).

Almost surely, 2^{20223010313161} is an apocalyptic number.

It is an amenable number.

20223010313161 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223010313161 is an equidigital number, since it uses as much as digits as its factorization.

20223010313161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 20223010313161 its reverse (16131301032202), we get a palindrome (36354311345363).

The spelling of 20223010313161 in words is "twenty trillion, two hundred twenty-three billion, ten million, three hundred thirteen thousand, one hundred sixty-one".