213300203197 has 2 divisors, whose sum is σ = 213300203198. Its totient is φ = 213300203196.

The previous prime is 213300203191. The next prime is 213300203219. The reversal of 213300203197 is 791302003312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208872764676 + 4427438521 = 457026^2 + 66539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213300203197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213300203191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106650101598 + 106650101599.

It is an arithmetic number, because the mean of its divisors is an integer number (106650101599).

Almost surely, 2^213300203197 is an apocalyptic number.

It is an amenable number.

213300203197 is a deficient number, since it is larger than the sum of its proper divisors (1).

213300203197 is an equidigital number, since it uses as much as digits as its factorization.

213300203197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 213300203197 in words is "two hundred thirteen billion, three hundred million, two hundred three thousand, one hundred ninety-seven".