213112320241 has 2 divisors, whose sum is σ = 213112320242. Its totient is φ = 213112320240.

The previous prime is 213112320203. The next prime is 213112320251. The reversal of 213112320241 is 142023211312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182739150400 + 30373169841 = 427480^2 + 174279^2 .

It is a cyclic number.

It is not a de Polignac number, because 213112320241 - 2¹⁵ = 213112287473 is a prime.

It is a super-2 number, since 2×213112320241² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213112320251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556160120 + 106556160121.

It is an arithmetic number, because the mean of its divisors is an integer number (106556160121).

Almost surely, 2^213112320241 is an apocalyptic number.

It is an amenable number.

213112320241 is a deficient number, since it is larger than the sum of its proper divisors (1).

213112320241 is an equidigital number, since it uses as much as digits as its factorization.

213112320241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 213112320241 its reverse (142023211312), we get a palindrome (355135531553).

The spelling of 213112320241 in words is "two hundred thirteen billion, one hundred twelve million, three hundred twenty thousand, two hundred forty-one".