343213101 has 72 divisors (see below), whose sum is σ = 634888800. Its totient is φ = 176662080.

The previous prime is 343213097. The next prime is 343213141. The reversal of 343213101 is 101312343.

343213101 is a `hidden beast` number, since 34 + 321 + 310 + 1 = 666.

It is not a de Polignac number, because 343213101 - 2² = 343213097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343213141) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 674035 + ... + 674543.

It is an arithmetic number, because the mean of its divisors is an integer number (8817900).

Almost surely, 2^343213101 is an apocalyptic number.

It is an amenable number.

343213101 is a deficient number, since it is larger than the sum of its proper divisors (291675699).

343213101 is a wasteful number, since it uses less digits than its factorization.

343213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 343213101 is about 18526.0114703624. The cubic root of 343213101 is about 700.1449366551.

Adding to 343213101 its reverse (101312343), we get a palindrome (444525444).

It can be divided in two parts, 343 and 213101, that added together give a square (213444 = 462²).

The spelling of 343213101 in words is "three hundred forty-three million, two hundred thirteen thousand, one hundred one".