231300995617 has 2 divisors, whose sum is σ = 231300995618. Its totient is φ = 231300995616.

The previous prime is 231300995579. The next prime is 231300995633. The reversal of 231300995617 is 716599003132.

231300995617 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., 224406848656 + 6894146961 = 473716^2 + 83031^2 .

It is a cyclic number.

It is not a de Polignac number, because 231300995617 - 2¹¹ = 231300993569 is a prime.

It is a super-3 number, since 3×231300995617³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (231300990617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650497808 + 115650497809.

It is an arithmetic number, because the mean of its divisors is an integer number (115650497809).

Almost surely, 2^231300995617 is an apocalyptic number.

It is an amenable number.

231300995617 is a deficient number, since it is larger than the sum of its proper divisors (1).

231300995617 is an equidigital number, since it uses as much as digits as its factorization.

231300995617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

Adding to 231300995617 its reverse (716599003132), we get a palindrome (947899998749).

The spelling of 231300995617 in words is "two hundred thirty-one billion, three hundred million, nine hundred ninety-five thousand, six hundred seventeen".