231330030101 has 2 divisors, whose sum is σ = 231330030102. Its totient is φ = 231330030100.

The previous prime is 231330030089. The next prime is 231330030109. The reversal of 231330030101 is 101030033132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208762179025 + 22567851076 = 456905^2 + 150226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231330030101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231330030101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231330030109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665015050 + 115665015051.

It is an arithmetic number, because the mean of its divisors is an integer number (115665015051).

Almost surely, 2^231330030101 is an apocalyptic number.

It is an amenable number.

231330030101 is a deficient number, since it is larger than the sum of its proper divisors (1).

231330030101 is an equidigital number, since it uses as much as digits as its factorization.

231330030101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 231330030101 its reverse (101030033132), we get a palindrome (332360063233).

The spelling of 231330030101 in words is "two hundred thirty-one billion, three hundred thirty million, thirty thousand, one hundred one".