42044314331 has 4 divisors (see below), whose sum is σ = 44257173000. Its totient is φ = 39831455664.

The previous prime is 42044314309. The next prime is 42044314349. The reversal of 42044314331 is 13341344024.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42044314331 is a prime.

It is a super-2 number, since 2×42044314331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42044314294 and 42044314303.

It is not an unprimeable number, because it can be changed into a prime (42044314391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106429306 + ... + 1106429343.

It is an arithmetic number, because the mean of its divisors is an integer number (11064293250).

Almost surely, 2^42044314331 is an apocalyptic number.

42044314331 is a deficient number, since it is larger than the sum of its proper divisors (2212858669).

42044314331 is a wasteful number, since it uses less digits than its factorization.

42044314331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212858668.

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

Adding to 42044314331 its reverse (13341344024), we get a palindrome (55385658355).

The spelling of 42044314331 in words is "forty-two billion, forty-four million, three hundred fourteen thousand, three hundred thirty-one".