213303123321041 has 16 divisors (see below), whose sum is σ = 229740477330000. Its totient is φ = 196869974335488.

The previous prime is 213303123320957. The next prime is 213303123321161. The reversal of 213303123321041 is 140123321303312.

It can be written as a sum of positive squares in 8 ways, for example, as 20656079650816 + 192647043670225 = 4544896^2 + 13879735^2 .

It is a cyclic number.

It is not a de Polignac number, because 213303123321041 - 2³⁴ = 213285943451857 is a prime.

It is a super-2 number, since 2×213303123321041² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213303123320995 and 213303123321013.

It is not an unprimeable number, because it can be changed into a prime (213303123621041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6068522735 + ... + 6068557883.

It is an arithmetic number, because the mean of its divisors is an integer number (14358779833125).

Almost surely, 2^{213303123321041} is an apocalyptic number.

It is an amenable number.

213303123321041 is a deficient number, since it is larger than the sum of its proper divisors (16437354008959).

213303123321041 is a wasteful number, since it uses less digits than its factorization.

213303123321041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81668.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 213303123321041 its reverse (140123321303312), we get a palindrome (353426444624353).

The spelling of 213303123321041 in words is "two hundred thirteen trillion, three hundred three billion, one hundred twenty-three million, three hundred twenty-one thousand, forty-one".