42344113331 has 16 divisors (see below), whose sum is σ = 47820060960. Its totient is φ = 37222053120.

The previous prime is 42344113277. The next prime is 42344113333. The reversal of 42344113331 is 13331144324.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42344113331 is a prime.

It is a super-2 number, since 2×42344113331² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42344113294 and 42344113303.

It is not an unprimeable number, because it can be changed into a prime (42344113333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741785 + ... + 796826.

It is an arithmetic number, because the mean of its divisors is an integer number (2988753810).

Almost surely, 2^42344113331 is an apocalyptic number.

42344113331 is a deficient number, since it is larger than the sum of its proper divisors (5475947629).

42344113331 is a wasteful number, since it uses less digits than its factorization.

42344113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538726.

The product of its digits is 10368, while the sum is 29.

Adding to 42344113331 its reverse (13331144324), we get a palindrome (55675257655).

The spelling of 42344113331 in words is "forty-two billion, three hundred forty-four million, one hundred thirteen thousand, three hundred thirty-one".