20223300000031 has 2 divisors, whose sum is σ = 20223300000032. Its totient is φ = 20223300000030.

The previous prime is 20223299999971. The next prime is 20223300000037. The reversal of 20223300000031 is 13000000332202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223300000031 is a prime.

It is a super-2 number, since 2×20223300000031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20223299999960 and 20223300000014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223300000037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111650000015 + 10111650000016.

It is an arithmetic number, because the mean of its divisors is an integer number (10111650000016).

Almost surely, 2^{20223300000031} is an apocalyptic number.

20223300000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223300000031 is an equidigital number, since it uses as much as digits as its factorization.

20223300000031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20223300000031 its reverse (13000000332202), we get a palindrome (33223300332233).

The spelling of 20223300000031 in words is "twenty trillion, two hundred twenty-three billion, three hundred million, thirty-one", and thus it is an aban number.