213240213301 has 2 divisors, whose sum is σ = 213240213302. Its totient is φ = 213240213300.

The previous prime is 213240213257. The next prime is 213240213311. The reversal of 213240213301 is 103312042312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147954853201 + 65285360100 = 384649^2 + 255510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213240213301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213240213311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106620106650 + 106620106651.

It is an arithmetic number, because the mean of its divisors is an integer number (106620106651).

Almost surely, 2^213240213301 is an apocalyptic number.

It is an amenable number.

213240213301 is a deficient number, since it is larger than the sum of its proper divisors (1).

213240213301 is an equidigital number, since it uses as much as digits as its factorization.

213240213301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213240213301 its reverse (103312042312), we get a palindrome (316552255613).

The spelling of 213240213301 in words is "two hundred thirteen billion, two hundred forty million, two hundred thirteen thousand, three hundred one".