344431342 has 4 divisors (see below), whose sum is σ = 516647016. Its totient is φ = 172215670.

The previous prime is 344431327. The next prime is 344431361. The reversal of 344431342 is 243134443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243134443 = 439 ⋅553837.

It is a self number, because there is not a number n which added to its sum of digits gives 344431342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86107834 + ... + 86107837.

It is an arithmetic number, because the mean of its divisors is an integer number (129161754).

Almost surely, 2^344431342 is an apocalyptic number.

344431342 is a deficient number, since it is larger than the sum of its proper divisors (172215674).

344431342 is a wasteful number, since it uses less digits than its factorization.

344431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172215673.

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

The square root of 344431342 is about 18558.8615491360. The cubic root of 344431342 is about 700.9723507497.

Adding to 344431342 its reverse (243134443), we get a palindrome (587565785).

The spelling of 344431342 in words is "three hundred forty-four million, four hundred thirty-one thousand, three hundred forty-two".