231032312021297 has 2 divisors, whose sum is σ = 231032312021298. Its totient is φ = 231032312021296.

The previous prime is 231032312021219. The next prime is 231032312021351. The reversal of 231032312021297 is 792120213230132.

231032312021297 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., 125352184974241 + 105680127047056 = 11196079^2 + 10280084^2 .

It is a cyclic number.

It is not a de Polignac number, because 231032312021297 - 2³² = 231028017054001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231032312021297.

It is not a weakly prime, because it can be changed into another prime (231032312021207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115516156010648 + 115516156010649.

It is an arithmetic number, because the mean of its divisors is an integer number (115516156010649).

Almost surely, 2^{231032312021297} is an apocalyptic number.

It is an amenable number.

231032312021297 is a deficient number, since it is larger than the sum of its proper divisors (1).

231032312021297 is an equidigital number, since it uses as much as digits as its factorization.

231032312021297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 231032312021297 in words is "two hundred thirty-one trillion, thirty-two billion, three hundred twelve million, twenty-one thousand, two hundred ninety-seven".