2002220323231 has 2 divisors, whose sum is σ = 2002220323232. Its totient is φ = 2002220323230.

The previous prime is 2002220323217. The next prime is 2002220323237. The reversal of 2002220323231 is 1323230222002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002220323231 - 2¹⁵ = 2002220290463 is a prime.

It is a super-2 number, since 2×2002220323231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002220323237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001110161615 + 1001110161616.

It is an arithmetic number, because the mean of its divisors is an integer number (1001110161616).

Almost surely, 2^{2002220323231} is an apocalyptic number.

2002220323231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002220323231 is an equidigital number, since it uses as much as digits as its factorization.

2002220323231 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 22.

Adding to 2002220323231 its reverse (1323230222002), we get a palindrome (3325450545233).

The spelling of 2002220323231 in words is "two trillion, two billion, two hundred twenty million, three hundred twenty-three thousand, two hundred thirty-one".