211301312297 has 2 divisors, whose sum is σ = 211301312298. Its totient is φ = 211301312296.

The previous prime is 211301312237. The next prime is 211301312329. The reversal of 211301312297 is 792213103112.

It is an a-pointer prime, because the next prime (211301312329) can be obtained adding 211301312297 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174714804121 + 36586508176 = 417989^2 + 191276^2 .

It is a cyclic number.

It is not a de Polignac number, because 211301312297 - 2¹² = 211301308201 is a prime.

It is not a weakly prime, because it can be changed into another prime (211301312227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105650656148 + 105650656149.

It is an arithmetic number, because the mean of its divisors is an integer number (105650656149).

Almost surely, 2^211301312297 is an apocalyptic number.

It is an amenable number.

211301312297 is a deficient number, since it is larger than the sum of its proper divisors (1).

211301312297 is an equidigital number, since it uses as much as digits as its factorization.

211301312297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 211301312297 in words is "two hundred eleven billion, three hundred one million, three hundred twelve thousand, two hundred ninety-seven".