231122333202197 has 2 divisors, whose sum is σ = 231122333202198. Its totient is φ = 231122333202196.

The previous prime is 231122333202121. The next prime is 231122333202251. The reversal of 231122333202197 is 791202333221132.

231122333202197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146270858874001 + 84851474328196 = 12094249^2 + 9211486^2 .

It is a cyclic number.

It is not a de Polignac number, because 231122333202197 - 2¹⁰ = 231122333201173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231122333202997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561166601098 + 115561166601099.

It is an arithmetic number, because the mean of its divisors is an integer number (115561166601099).

Almost surely, 2^{231122333202197} is an apocalyptic number.

It is an amenable number.

231122333202197 is a deficient number, since it is larger than the sum of its proper divisors (1).

231122333202197 is an equidigital number, since it uses as much as digits as its factorization.

231122333202197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 231122333202197 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, three hundred thirty-three million, two hundred two thousand, one hundred ninety-seven".