211300230149 has 2 divisors, whose sum is σ = 211300230150. Its totient is φ = 211300230148.

The previous prime is 211300230131. The next prime is 211300230161. The reversal of 211300230149 is 941032003112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132343164100 + 78957066049 = 363790^2 + 280993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211300230149 is a prime.

It is a super-2 number, since 2×211300230149² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211300250149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105650115074 + 105650115075.

It is an arithmetic number, because the mean of its divisors is an integer number (105650115075).

Almost surely, 2^211300230149 is an apocalyptic number.

It is an amenable number.

211300230149 is a deficient number, since it is larger than the sum of its proper divisors (1).

211300230149 is an equidigital number, since it uses as much as digits as its factorization.

211300230149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 211300230149 in words is "two hundred eleven billion, three hundred million, two hundred thirty thousand, one hundred forty-nine".