344433431 has 4 divisors (see below), whose sum is σ = 345555672. Its totient is φ = 343311192.

The previous prime is 344433409. The next prime is 344433457. The reversal of 344433431 is 134334443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134334443 = 2417 ⋅55579.

It is a cyclic number.

It is not a de Polignac number, because 344433431 - 2⁶ = 344433367 is a prime.

It is a super-2 number, since 2×344433431² = 237268776780863522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344433394 and 344433403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344433031) 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, 560660 + ... + 561273.

It is an arithmetic number, because the mean of its divisors is an integer number (86388918).

Almost surely, 2^344433431 is an apocalyptic number.

344433431 is a deficient number, since it is larger than the sum of its proper divisors (1122241).

344433431 is a wasteful number, since it uses less digits than its factorization.

344433431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122240.

The product of its digits is 20736, while the sum is 29.

The square root of 344433431 is about 18558.9178294425. The cubic root of 344433431 is about 700.9737678955.

Adding to 344433431 its reverse (134334443), we get a palindrome (478767874).

The spelling of 344433431 in words is "three hundred forty-four million, four hundred thirty-three thousand, four hundred thirty-one".