343509101 has 4 divisors (see below), whose sum is σ = 369932892. Its totient is φ = 317085312.

The previous prime is 343509091. The next prime is 343509119. The reversal of 343509101 is 101905343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101905343 = 1213 ⋅84011.

It can be written as a sum of positive squares in 2 ways, for example, as 171217225 + 172291876 = 13085^2 + 13126^2 .

It is a cyclic number.

It is not a de Polignac number, because 343509101 - 2¹⁴ = 343492717 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 (343509121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13211876 + ... + 13211901.

It is an arithmetic number, because the mean of its divisors is an integer number (92483223).

Almost surely, 2^343509101 is an apocalyptic number.

It is an amenable number.

343509101 is a deficient number, since it is larger than the sum of its proper divisors (26423791).

343509101 is a wasteful number, since it uses less digits than its factorization.

343509101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26423790.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 343509101 is about 18533.9985162404. The cubic root of 343509101 is about 700.3461560056.

The spelling of 343509101 in words is "three hundred forty-three million, five hundred nine thousand, one hundred one".