220040333231 has 2 divisors, whose sum is σ = 220040333232. Its totient is φ = 220040333230.

The previous prime is 220040333143. The next prime is 220040333243. The reversal of 220040333231 is 132333040022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220040333231 is a prime.

It is a super-2 number, since 2×220040333231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220040333197 and 220040333206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220040333431) 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, 110020166615 + 110020166616.

It is an arithmetic number, because the mean of its divisors is an integer number (110020166616).

Almost surely, 2^220040333231 is an apocalyptic number.

220040333231 is a deficient number, since it is larger than the sum of its proper divisors (1).

220040333231 is an equidigital number, since it uses as much as digits as its factorization.

220040333231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 220040333231 its reverse (132333040022), we get a palindrome (352373373253).

The spelling of 220040333231 in words is "two hundred twenty billion, forty million, three hundred thirty-three thousand, two hundred thirty-one".