213103023102191 has 2 divisors, whose sum is σ = 213103023102192. Its totient is φ = 213103023102190.

The previous prime is 213103023102131. The next prime is 213103023102283. The reversal of 213103023102191 is 191201320301312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213103023102191 - 2¹⁰ = 213103023101167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213103023102131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551511551095 + 106551511551096.

It is an arithmetic number, because the mean of its divisors is an integer number (106551511551096).

Almost surely, 2^{213103023102191} is an apocalyptic number.

213103023102191 is a deficient number, since it is larger than the sum of its proper divisors (1).

213103023102191 is an equidigital number, since it uses as much as digits as its factorization.

213103023102191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 213103023102191 in words is "two hundred thirteen trillion, one hundred three billion, twenty-three million, one hundred two thousand, one hundred ninety-one".