213231130097 has 2 divisors, whose sum is σ = 213231130098. Its totient is φ = 213231130096.

The previous prime is 213231130061. The next prime is 213231130187. The reversal of 213231130097 is 790031132312.

213231130097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134447622241 + 78783507856 = 366671^2 + 280684^2 .

It is a cyclic number.

It is not a de Polignac number, because 213231130097 - 2¹⁰ = 213231129073 is a prime.

It is not a weakly prime, because it can be changed into another prime (213231130897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106615565048 + 106615565049.

It is an arithmetic number, because the mean of its divisors is an integer number (106615565049).

Almost surely, 2^213231130097 is an apocalyptic number.

It is an amenable number.

213231130097 is a deficient number, since it is larger than the sum of its proper divisors (1).

213231130097 is an equidigital number, since it uses as much as digits as its factorization.

213231130097 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 213231130097 in words is "two hundred thirteen billion, two hundred thirty-one million, one hundred thirty thousand, ninety-seven".