30211022197 has 2 divisors, whose sum is σ = 30211022198. Its totient is φ = 30211022196.

The previous prime is 30211022141. The next prime is 30211022203. The reversal of 30211022197 is 79122011203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16304480721 + 13906541476 = 127689^2 + 117926^2 .

It is an emirp because it is prime and its reverse (79122011203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30211022197 - 2¹⁹ = 30210497909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30211022497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105511098 + 15105511099.

It is an arithmetic number, because the mean of its divisors is an integer number (15105511099).

Almost surely, 2^30211022197 is an apocalyptic number.

It is an amenable number.

30211022197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211022197 is an equidigital number, since it uses as much as digits as its factorization.

30211022197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 30211022197 in words is "thirty billion, two hundred eleven million, twenty-two thousand, one hundred ninety-seven".