213102319 has 2 divisors, whose sum is σ = 213102320. Its totient is φ = 213102318.

The previous prime is 213102289. The next prime is 213102343. The reversal of 213102319 is 913201312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213102319 - 2¹³ = 213094127 is a prime.

It is a super-2 number, since 2×213102319² = 90825196726355522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213102319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213102359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551159 + 106551160.

It is an arithmetic number, because the mean of its divisors is an integer number (106551160).

Almost surely, 2^213102319 is an apocalyptic number.

213102319 is a deficient number, since it is larger than the sum of its proper divisors (1).

213102319 is an equidigital number, since it uses as much as digits as its factorization.

213102319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 213102319 is about 14598.0244896356. The cubic root of 213102319 is about 597.3048739898.

The spelling of 213102319 in words is "two hundred thirteen million, one hundred two thousand, three hundred nineteen".