344042231 has 4 divisors (see below), whose sum is σ = 370507032. Its totient is φ = 317577432.

The previous prime is 344042213. The next prime is 344042233. The reversal of 344042231 is 132240443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132240443 = 3259 ⋅40577.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344042231 is a prime.

It is a super-2 number, since 2×344042231² = 236730113422914722, 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 = 344042197 and 344042206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344042233) 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, 13232381 + ... + 13232406.

It is an arithmetic number, because the mean of its divisors is an integer number (92626758).

Almost surely, 2^344042231 is an apocalyptic number.

344042231 is a deficient number, since it is larger than the sum of its proper divisors (26464801).

344042231 is a wasteful number, since it uses less digits than its factorization.

344042231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26464800.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 344042231 is about 18548.3754275139. The cubic root of 344042231 is about 700.7082837730.

Adding to 344042231 its reverse (132240443), we get a palindrome (476282674).

The spelling of 344042231 in words is "three hundred forty-four million, forty-two thousand, two hundred thirty-one".