220533431113 has 2 divisors, whose sum is σ = 220533431114. Its totient is φ = 220533431112.

The previous prime is 220533431071. The next prime is 220533431123. The reversal of 220533431113 is 311134335022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147734915769 + 72798515344 = 384363^2 + 269812^2 .

It is a cyclic number.

It is not a de Polignac number, because 220533431113 - 2¹⁷ = 220533300041 is a prime.

It is not a weakly prime, because it can be changed into another prime (220533431123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110266715556 + 110266715557.

It is an arithmetic number, because the mean of its divisors is an integer number (110266715557).

Almost surely, 2^220533431113 is an apocalyptic number.

It is an amenable number.

220533431113 is a deficient number, since it is larger than the sum of its proper divisors (1).

220533431113 is an equidigital number, since it uses as much as digits as its factorization.

220533431113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 220533431113 its reverse (311134335022), we get a palindrome (531667766135).

The spelling of 220533431113 in words is "two hundred twenty billion, five hundred thirty-three million, four hundred thirty-one thousand, one hundred thirteen".