344342431 has 8 divisors (see below), whose sum is σ = 354318624. Its totient is φ = 334495200.

The previous prime is 344342423. The next prime is 344342437. The reversal of 344342431 is 134243443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344342431 - 2³ = 344342423 is a prime.

It is a super-2 number, since 2×344342431² = 237143419573979522, 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 344342431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344342437) 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 7 ways as a sum of consecutive naturals, for example, 26811 + ... + 37516.

It is an arithmetic number, because the mean of its divisors is an integer number (44289828).

Almost surely, 2^344342431 is an apocalyptic number.

344342431 is a deficient number, since it is larger than the sum of its proper divisors (9976193).

344342431 is a wasteful number, since it uses less digits than its factorization.

344342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64481.

The product of its digits is 13824, while the sum is 28.

The square root of 344342431 is about 18556.4660159202. The cubic root of 344342431 is about 700.9120295685.

Adding to 344342431 its reverse (134243443), we get a palindrome (478585874).

The spelling of 344342431 in words is "three hundred forty-four million, three hundred forty-two thousand, four hundred thirty-one".