343541311 has 4 divisors (see below), whose sum is σ = 347083072. Its totient is φ = 339999552.

The previous prime is 343541273. The next prime is 343541329. The reversal of 343541311 is 113145343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343541311 - 2⁷ = 343541183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343541371) 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, 1770735 + ... + 1770928.

It is an arithmetic number, because the mean of its divisors is an integer number (86770768).

Almost surely, 2^343541311 is an apocalyptic number.

343541311 is a deficient number, since it is larger than the sum of its proper divisors (3541761).

343541311 is an equidigital number, since it uses as much as digits as its factorization.

343541311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541760.

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

The square root of 343541311 is about 18534.8674395044. The cubic root of 343541311 is about 700.3680452312.

Adding to 343541311 its reverse (113145343), we get a palindrome (456686654).

The spelling of 343541311 in words is "three hundred forty-three million, five hundred forty-one thousand, three hundred eleven".