213103430088641 has 2 divisors, whose sum is σ = 213103430088642. Its totient is φ = 213103430088640.

The previous prime is 213103430088631. The next prime is 213103430088649. The reversal of 213103430088641 is 146880034301312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192621505804225 + 20481924284416 = 13878815^2 + 4525696^2 .

It is a cyclic number.

It is not a de Polignac number, because 213103430088641 - 2²⁶ = 213103362979777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213103430088592 and 213103430088601.

It is not a weakly prime, because it can be changed into another prime (213103430088649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551715044320 + 106551715044321.

It is an arithmetic number, because the mean of its divisors is an integer number (106551715044321).

Almost surely, 2^{213103430088641} is an apocalyptic number.

It is an amenable number.

213103430088641 is a deficient number, since it is larger than the sum of its proper divisors (1).

213103430088641 is an equidigital number, since it uses as much as digits as its factorization.

213103430088641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 44.

Adding to 213103430088641 its reverse (146880034301312), we get a palindrome (359983464389953).

The spelling of 213103430088641 in words is "two hundred thirteen trillion, one hundred three billion, four hundred thirty million, eighty-eight thousand, six hundred forty-one".