230446867303981 has 2 divisors, whose sum is σ = 230446867303982. Its totient is φ = 230446867303980.

The previous prime is 230446867303979. The next prime is 230446867304047. The reversal of 230446867303981 is 189303768644032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222077800175625 + 8369067128356 = 14902275^2 + 2892934^2 .

It is a cyclic number.

It is not a de Polignac number, because 230446867303981 - 2¹ = 230446867303979 is a prime.

It is a super-2 number, since 2×230446867303981² (a number of 30 digits) contains 22 as substring.

Together with 230446867303979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230446867373981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115223433651990 + 115223433651991.

It is an arithmetic number, because the mean of its divisors is an integer number (115223433651991).

Almost surely, 2^{230446867303981} is an apocalyptic number.

It is an amenable number.

230446867303981 is a deficient number, since it is larger than the sum of its proper divisors (1).

230446867303981 is an equidigital number, since it uses as much as digits as its factorization.

230446867303981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125411328, while the sum is 64.

The spelling of 230446867303981 in words is "two hundred thirty trillion, four hundred forty-six billion, eight hundred sixty-seven million, three hundred three thousand, nine hundred eighty-one".