344003431 has 4 divisors (see below), whose sum is σ = 344043000. Its totient is φ = 343963864.

The previous prime is 344003411. The next prime is 344003437. The reversal of 344003431 is 134300443.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 344003431 - 2⁵ = 344003399 is a prime.

It is a super-2 number, since 2×344003431² = 236676721079543522, 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 (344003437) 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, 436 + ... + 26233.

It is an arithmetic number, because the mean of its divisors is an integer number (86010750).

Almost surely, 2^344003431 is an apocalyptic number.

344003431 is a deficient number, since it is larger than the sum of its proper divisors (39569).

344003431 is a wasteful number, since it uses less digits than its factorization.

344003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39568.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 344003431 is about 18547.3294843220. The cubic root of 344003431 is about 700.6819415577.

Adding to 344003431 its reverse (134300443), we get a palindrome (478303874).

The spelling of 344003431 in words is "three hundred forty-four million, three thousand, four hundred thirty-one".