344040131 has 4 divisors (see below), whose sum is σ = 344200200. Its totient is φ = 343880064.

The previous prime is 344040127. The next prime is 344040149. The reversal of 344040131 is 131040443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344040131 - 2² = 344040127 is a prime.

It is a super-2 number, since 2×344040131² = 236727223476994322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344040121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76766 + ... + 81123.

It is an arithmetic number, because the mean of its divisors is an integer number (86050050).

Almost surely, 2^344040131 is an apocalyptic number.

344040131 is a deficient number, since it is larger than the sum of its proper divisors (160069).

344040131 is a wasteful number, since it uses less digits than its factorization.

344040131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160068.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 344040131 is about 18548.3188186962. The cubic root of 344040131 is about 700.7068580852.

Adding to 344040131 its reverse (131040443), we get a palindrome (475080574).

The spelling of 344040131 in words is "three hundred forty-four million, forty thousand, one hundred thirty-one".