343212101 has 2 divisors, whose sum is σ = 343212102. Its totient is φ = 343212100.

The previous prime is 343212097. The next prime is 343212109. The reversal of 343212101 is 101212343.

343212101 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337456900 + 5755201 = 18370^2 + 2399^2 .

It is an emirp because it is prime and its reverse (101212343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343212101 - 2² = 343212097 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 343212101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343212109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171606050 + 171606051.

It is an arithmetic number, because the mean of its divisors is an integer number (171606051).

Almost surely, 2^343212101 is an apocalyptic number.

It is an amenable number.

343212101 is a deficient number, since it is larger than the sum of its proper divisors (1).

343212101 is an equidigital number, since it uses as much as digits as its factorization.

343212101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 343212101 is about 18525.9844812631. The cubic root of 343212101 is about 700.1442566640.

Adding to 343212101 its reverse (101212343), we get a palindrome (444424444).

The spelling of 343212101 in words is "three hundred forty-three million, two hundred twelve thousand, one hundred one".