213230103197 has 2 divisors, whose sum is σ = 213230103198. Its totient is φ = 213230103196.

The previous prime is 213230103193. The next prime is 213230103253. The reversal of 213230103197 is 791301032312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207256204516 + 5973898681 = 455254^2 + 77291^2 .

It is a cyclic number.

It is not a de Polignac number, because 213230103197 - 2² = 213230103193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213230103193) 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, 106615051598 + 106615051599.

It is an arithmetic number, because the mean of its divisors is an integer number (106615051599).

Almost surely, 2^213230103197 is an apocalyptic number.

It is an amenable number.

213230103197 is a deficient number, since it is larger than the sum of its proper divisors (1).

213230103197 is an equidigital number, since it uses as much as digits as its factorization.

213230103197 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 32.

The spelling of 213230103197 in words is "two hundred thirteen billion, two hundred thirty million, one hundred three thousand, one hundred ninety-seven".