344111431 has 4 divisors (see below), whose sum is σ = 349752664. Its totient is φ = 338470200.

The previous prime is 344111429. The next prime is 344111447. The reversal of 344111431 is 134111443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134111443 = 19 ⋅7058497.

It is a cyclic number.

It is not a de Polignac number, because 344111431 - 2¹ = 344111429 is a prime.

It is a super-2 number, since 2×344111431² = 236825353889735522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344111491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820525 + ... + 2820646.

It is an arithmetic number, because the mean of its divisors is an integer number (87438166).

Almost surely, 2^344111431 is an apocalyptic number.

344111431 is a deficient number, since it is larger than the sum of its proper divisors (5641233).

344111431 is an equidigital number, since it uses as much as digits as its factorization.

344111431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641232.

The product of its digits is 576, while the sum is 22.

The square root of 344111431 is about 18550.2407262008. The cubic root of 344111431 is about 700.7552603340.

Adding to 344111431 its reverse (134111443), we get a palindrome (478222874).

The spelling of 344111431 in words is "three hundred forty-four million, one hundred eleven thousand, four hundred thirty-one".