20224001311231 has 2 divisors, whose sum is σ = 20224001311232. Its totient is φ = 20224001311230.

The previous prime is 20224001311181. The next prime is 20224001311279. The reversal of 20224001311231 is 13211310042202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20224001311231 - 2⁹ = 20224001310719 is a prime.

It is a super-2 number, since 2×20224001311231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20224001341231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112000655615 + 10112000655616.

It is an arithmetic number, because the mean of its divisors is an integer number (10112000655616).

Almost surely, 2^{20224001311231} is an apocalyptic number.

20224001311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20224001311231 is an equidigital number, since it uses as much as digits as its factorization.

20224001311231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20224001311231 its reverse (13211310042202), we get a palindrome (33435311353433).

The spelling of 20224001311231 in words is "twenty trillion, two hundred twenty-four billion, one million, three hundred eleven thousand, two hundred thirty-one".