343101350221 has 16 divisors (see below), whose sum is σ = 404785548288. Its totient is φ = 284585558400.

The previous prime is 343101350209. The next prime is 343101350231. The reversal of 343101350221 is 122053101343.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 343101350221 - 2¹³ = 343101342029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343101350231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6950001 + ... + 6999193.

It is an arithmetic number, because the mean of its divisors is an integer number (25299096768).

Almost surely, 2^343101350221 is an apocalyptic number.

343101350221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

343101350221 is a deficient number, since it is larger than the sum of its proper divisors (61684198067).

343101350221 is a wasteful number, since it uses less digits than its factorization.

343101350221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81372.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 343101350221 its reverse (122053101343), we get a palindrome (465154451564).

The spelling of 343101350221 in words is "three hundred forty-three billion, one hundred one million, three hundred fifty thousand, two hundred twenty-one".