344231221043 has 4 divisors (see below), whose sum is σ = 344242875768. Its totient is φ = 344219566320.

The previous prime is 344231221007. The next prime is 344231221093. The reversal of 344231221043 is 340122132443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340122132443 = 61 ⋅5575772663.

It is a cyclic number.

It is not a de Polignac number, because 344231221043 - 2¹⁶ = 344231155507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344231220997 and 344231221015.

It is not an unprimeable number, because it can be changed into a prime (344231221093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5782946 + ... + 5842167.

It is an arithmetic number, because the mean of its divisors is an integer number (86060718942).

Almost surely, 2^344231221043 is an apocalyptic number.

344231221043 is a deficient number, since it is larger than the sum of its proper divisors (11654725).

344231221043 is a wasteful number, since it uses less digits than its factorization.

344231221043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654724.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 344231221043 its reverse (340122132443), we get a palindrome (684353353486).

The spelling of 344231221043 in words is "three hundred forty-four billion, two hundred thirty-one million, two hundred twenty-one thousand, forty-three".