344212431 has 16 divisors (see below), whose sum is σ = 468115200. Its totient is φ = 224915648.

The previous prime is 344212423. The next prime is 344212439. The reversal of 344212431 is 134212443.

It is an interprime number because it is at equal distance from previous prime (344212423) and next prime (344212439).

It is a cyclic number.

It is not a de Polignac number, because 344212431 - 2³ = 344212423 is a prime.

It is a super-2 number, since 2×344212431² = 236964395309859522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344212439) 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 15 ways as a sum of consecutive naturals, for example, 60835 + ... + 66251.

It is an arithmetic number, because the mean of its divisors is an integer number (29257200).

Almost surely, 2^344212431 is an apocalyptic number.

344212431 is a deficient number, since it is larger than the sum of its proper divisors (123902769).

344212431 is a wasteful number, since it uses less digits than its factorization.

344212431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838.

The product of its digits is 2304, while the sum is 24.

The square root of 344212431 is about 18552.9628631116. The cubic root of 344212431 is about 700.8238130871.

Adding to 344212431 its reverse (134212443), we get a palindrome (478424874).

The spelling of 344212431 in words is "three hundred forty-four million, two hundred twelve thousand, four hundred thirty-one".