343441331 has 4 divisors (see below), whose sum is σ = 343495992. Its totient is φ = 343386672.

The previous prime is 343441303. The next prime is 343441337. The reversal of 343441331 is 133144343.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343441331 is a prime.

It is a super-2 number, since 2×343441331² = 235903895678103122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343441331.

It is not an unprimeable number, because it can be changed into a prime (343441337) 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, 16466 + ... + 30951.

It is an arithmetic number, because the mean of its divisors is an integer number (85873998).

Almost surely, 2^343441331 is an apocalyptic number.

343441331 is a deficient number, since it is larger than the sum of its proper divisors (54661).

343441331 is an equidigital number, since it uses as much as digits as its factorization.

343441331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54660.

The product of its digits is 5184, while the sum is 26.

The square root of 343441331 is about 18532.1701643386. The cubic root of 343441331 is about 700.3000964975.

Adding to 343441331 its reverse (133144343), we get a palindrome (476585674).

The spelling of 343441331 in words is "three hundred forty-three million, four hundred forty-one thousand, three hundred thirty-one".