213113320097 has 2 divisors, whose sum is σ = 213113320098. Its totient is φ = 213113320096.

The previous prime is 213113320087. The next prime is 213113320109. The reversal of 213113320097 is 790023311312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127480417936 + 85632902161 = 357044^2 + 292631^2 .

It is a cyclic number.

It is not a de Polignac number, because 213113320097 - 2¹² = 213113316001 is a prime.

It is not a weakly prime, because it can be changed into another prime (213113320087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556660048 + 106556660049.

It is an arithmetic number, because the mean of its divisors is an integer number (106556660049).

Almost surely, 2^213113320097 is an apocalyptic number.

It is an amenable number.

213113320097 is a deficient number, since it is larger than the sum of its proper divisors (1).

213113320097 is an equidigital number, since it uses as much as digits as its factorization.

213113320097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 213113320097 in words is "two hundred thirteen billion, one hundred thirteen million, three hundred twenty thousand, ninety-seven".