213132242343073 has 2 divisors, whose sum is σ = 213132242343074. Its totient is φ = 213132242343072.

The previous prime is 213132242343067. The next prime is 213132242343091. The reversal of 213132242343073 is 370343242231312.

213132242343073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198359534856289 + 14772707486784 = 14084017^2 + 3843528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213132242343073 is a prime.

It is not a weakly prime, because it can be changed into another prime (213132242343043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106566121171536 + 106566121171537.

It is an arithmetic number, because the mean of its divisors is an integer number (106566121171537).

Almost surely, 2^{213132242343073} is an apocalyptic number.

It is an amenable number.

213132242343073 is a deficient number, since it is larger than the sum of its proper divisors (1).

213132242343073 is an equidigital number, since it uses as much as digits as its factorization.

213132242343073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 40.

Adding to 213132242343073 its reverse (370343242231312), we get a palindrome (583475484574385).

The spelling of 213132242343073 in words is "two hundred thirteen trillion, one hundred thirty-two billion, two hundred forty-two million, three hundred forty-three thousand, seventy-three".