212313349 has 2 divisors, whose sum is σ = 212313350. Its totient is φ = 212313348.

The previous prime is 212313347. The next prime is 212313371. The reversal of 212313349 is 943313212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203205025 + 9108324 = 14255^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 212313349 - 2¹ = 212313347 is a prime.

Together with 212313347, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212313347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106156674 + 106156675.

It is an arithmetic number, because the mean of its divisors is an integer number (106156675).

Almost surely, 2^212313349 is an apocalyptic number.

It is an amenable number.

212313349 is a deficient number, since it is larger than the sum of its proper divisors (1).

212313349 is an equidigital number, since it uses as much as digits as its factorization.

212313349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 212313349 is about 14570.9762541842. The cubic root of 212313349 is about 596.5668272692.

The spelling of 212313349 in words is "two hundred twelve million, three hundred thirteen thousand, three hundred forty-nine".