213240330041 has 8 divisors (see below), whose sum is σ = 220608505800. Its totient is φ = 205873158400.

The previous prime is 213240330007. The next prime is 213240330047. The reversal of 213240330041 is 140033042312.

It can be written as a sum of positive squares in 4 ways, for example, as 2706184441 + 210534145600 = 52021^2 + 458840^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213240330041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213240329989 and 213240330016.

It is not an unprimeable number, because it can be changed into a prime (213240330047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194465 + ... + 681393.

It is an arithmetic number, because the mean of its divisors is an integer number (27576063225).

Almost surely, 2^213240330041 is an apocalyptic number.

It is an amenable number.

213240330041 is a deficient number, since it is larger than the sum of its proper divisors (7368175759).

213240330041 is a wasteful number, since it uses less digits than its factorization.

213240330041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502059.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213240330041 its reverse (140033042312), we get a palindrome (353273372353).

The spelling of 213240330041 in words is "two hundred thirteen billion, two hundred forty million, three hundred thirty thousand, forty-one".