212304319 has 2 divisors, whose sum is σ = 212304320. Its totient is φ = 212304318.

The previous prime is 212304317. The next prime is 212304341. The reversal of 212304319 is 913403212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212304319 - 2¹ = 212304317 is a prime.

It is a super-2 number, since 2×212304319² = 90146247732107522, which contains 22 as substring.

Together with 212304317, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 212304293 and 212304302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212304317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106152159 + 106152160.

It is an arithmetic number, because the mean of its divisors is an integer number (106152160).

Almost surely, 2^212304319 is an apocalyptic number.

212304319 is a deficient number, since it is larger than the sum of its proper divisors (1).

212304319 is an equidigital number, since it uses as much as digits as its factorization.

212304319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 212304319 is about 14570.6663883297. Note that the first 3 decimals coincide. The cubic root of 212304319 is about 596.5583695268.

The spelling of 212304319 in words is "two hundred twelve million, three hundred four thousand, three hundred nineteen".