213302121233273 has 2 divisors, whose sum is σ = 213302121233274. Its totient is φ = 213302121233272.

The previous prime is 213302121233237. The next prime is 213302121233291. The reversal of 213302121233273 is 372332121203312.

Together with previous prime (213302121233237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213137574989824 + 164546243449 = 14599232^2 + 405643^2 .

It is a cyclic number.

It is not a de Polignac number, because 213302121233273 - 2¹² = 213302121229177 is a prime.

It is a super-2 number, since 2×213302121233273² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213302121233293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651060616636 + 106651060616637.

It is an arithmetic number, because the mean of its divisors is an integer number (106651060616637).

Almost surely, 2^{213302121233273} is an apocalyptic number.

It is an amenable number.

213302121233273 is a deficient number, since it is larger than the sum of its proper divisors (1).

213302121233273 is an equidigital number, since it uses as much as digits as its factorization.

213302121233273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 35.

Adding to 213302121233273 its reverse (372332121203312), we get a palindrome (585634242436585).

The spelling of 213302121233273 in words is "two hundred thirteen trillion, three hundred two billion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred seventy-three".