231330100231 has 2 divisors, whose sum is σ = 231330100232. Its totient is φ = 231330100230.

The previous prime is 231330100217. The next prime is 231330100237. The reversal of 231330100231 is 132001033132.

231330100231 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 is a cyclic number.

It is not a de Polignac number, because 231330100231 - 2¹¹ = 231330098183 is a prime.

It is a super-2 number, since 2×231330100231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231330100199 and 231330100208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231330100237) 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, 115665050115 + 115665050116.

It is an arithmetic number, because the mean of its divisors is an integer number (115665050116).

Almost surely, 2^231330100231 is an apocalyptic number.

231330100231 is a deficient number, since it is larger than the sum of its proper divisors (1).

231330100231 is an equidigital number, since it uses as much as digits as its factorization.

231330100231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231330100231 its reverse (132001033132), we get a palindrome (363331133363).

The spelling of 231330100231 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred thousand, two hundred thirty-one".