231545355211301 has 2 divisors, whose sum is σ = 231545355211302. Its totient is φ = 231545355211300.

The previous prime is 231545355211223. The next prime is 231545355211351. The reversal of 231545355211301 is 103112553545132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204898440147076 + 26646915064225 = 14314274^2 + 5162065^2 .

It is a cyclic number.

It is not a de Polignac number, because 231545355211301 - 2²² = 231545351016997 is a prime.

It is a super-2 number, since 2×231545355211301² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231545355211351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115772677605650 + 115772677605651.

It is an arithmetic number, because the mean of its divisors is an integer number (115772677605651).

Almost surely, 2^{231545355211301} is an apocalyptic number.

It is an amenable number.

231545355211301 is a deficient number, since it is larger than the sum of its proper divisors (1).

231545355211301 is an equidigital number, since it uses as much as digits as its factorization.

231545355211301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 231545355211301 in words is "two hundred thirty-one trillion, five hundred forty-five billion, three hundred fifty-five million, two hundred eleven thousand, three hundred one".