213244327 has 2 divisors, whose sum is σ = 213244328. Its totient is φ = 213244326.

The previous prime is 213244313. The next prime is 213244331. The reversal of 213244327 is 723442312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213244327 - 2¹¹ = 213242279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213244295 and 213244304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213244397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106622163 + 106622164.

It is an arithmetic number, because the mean of its divisors is an integer number (106622164).

Almost surely, 2^213244327 is an apocalyptic number.

213244327 is a deficient number, since it is larger than the sum of its proper divisors (1).

213244327 is an equidigital number, since it uses as much as digits as its factorization.

213244327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 28.

The square root of 213244327 is about 14602.8876253979. The cubic root of 213244327 is about 597.4375226889.

Adding to 213244327 its reverse (723442312), we get a palindrome (936686639).

It can be divided in two parts, 21324 and 4327, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 213244327 in words is "two hundred thirteen million, two hundred forty-four thousand, three hundred twenty-seven".