344144334531 has 16 divisors (see below), whose sum is σ = 471963088256. Its totient is φ = 222932860416.

The previous prime is 344144334529. The next prime is 344144334587. The reversal of 344144334531 is 135433441443.

It is not a de Polignac number, because 344144334531 - 2¹ = 344144334529 is a prime.

It is a super-2 number, since 2×344144334531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 344144334531.

It is not an unprimeable number, because it can be changed into a prime (344144334931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6886465 + ... + 6936258.

It is an arithmetic number, because the mean of its divisors is an integer number (29497693016).

Almost surely, 2^344144334531 is an apocalyptic number.

344144334531 is a deficient number, since it is larger than the sum of its proper divisors (127818753725).

344144334531 is a wasteful number, since it uses less digits than its factorization.

344144334531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13822962.

The product of its digits is 414720, while the sum is 39.

Adding to 344144334531 its reverse (135433441443), we get a palindrome (479577775974).

The spelling of 344144334531 in words is "three hundred forty-four billion, one hundred forty-four million, three hundred thirty-four thousand, five hundred thirty-one".