343111401 has 24 divisors (see below), whose sum is σ = 521142336. Its totient is φ = 217108320.

The previous prime is 343111381. The next prime is 343111403. The reversal of 343111401 is 104111343.

It is not a de Polignac number, because 343111401 - 2⁶ = 343111337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343111403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20791 + ... + 33443.

It is an arithmetic number, because the mean of its divisors is an integer number (21714264).

Almost surely, 2^343111401 is an apocalyptic number.

It is an amenable number.

343111401 is a deficient number, since it is larger than the sum of its proper divisors (178030935).

343111401 is a wasteful number, since it uses less digits than its factorization.

343111401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813 (or 12810 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 343111401 is about 18523.2664775951. The cubic root of 343111401 is about 700.0757747903.

Adding to 343111401 its reverse (104111343), we get a palindrome (447222744).

The spelling of 343111401 in words is "three hundred forty-three million, one hundred eleven thousand, four hundred one".