231230110021297 has 2 divisors, whose sum is σ = 231230110021298. Its totient is φ = 231230110021296.

The previous prime is 231230110021243. The next prime is 231230110021307. The reversal of 231230110021297 is 792120011032132.

231230110021297 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., 230536880600481 + 693229420816 = 15183441^2 + 832604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231230110021297 is a prime.

It is a super-2 number, since 2×231230110021297² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231230110021997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615055010648 + 115615055010649.

It is an arithmetic number, because the mean of its divisors is an integer number (115615055010649).

Almost surely, 2^{231230110021297} is an apocalyptic number.

It is an amenable number.

231230110021297 is a deficient number, since it is larger than the sum of its proper divisors (1).

231230110021297 is an equidigital number, since it uses as much as digits as its factorization.

231230110021297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 231230110021297 in words is "two hundred thirty-one trillion, two hundred thirty billion, one hundred ten million, twenty-one thousand, two hundred ninety-seven".