213303100033 has 2 divisors, whose sum is σ = 213303100034. Its totient is φ = 213303100032.

The previous prime is 213303100001. The next prime is 213303100037. The reversal of 213303100033 is 330001303312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135532949904 + 77770150129 = 368148^2 + 278873^2 .

It is a cyclic number.

It is not a de Polignac number, because 213303100033 - 2⁵ = 213303100001 is a prime.

It is not a weakly prime, because it can be changed into another prime (213303100037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651550016 + 106651550017.

It is an arithmetic number, because the mean of its divisors is an integer number (106651550017).

Almost surely, 2^213303100033 is an apocalyptic number.

It is an amenable number.

213303100033 is a deficient number, since it is larger than the sum of its proper divisors (1).

213303100033 is an equidigital number, since it uses as much as digits as its factorization.

213303100033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 213303100033 its reverse (330001303312), we get a palindrome (543304403345).

The spelling of 213303100033 in words is "two hundred thirteen billion, three hundred three million, one hundred thousand, thirty-three".