42243403331 has 8 divisors (see below), whose sum is σ = 42691849200. Its totient is φ = 41796064800.

The previous prime is 42243403327. The next prime is 42243403339. The reversal of 42243403331 is 13330434224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42243403331 - 2² = 42243403327 is a prime.

It is a super-2 number, since 2×42243403331² (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 = 42243403294 and 42243403303.

It is not an unprimeable number, because it can be changed into a prime (42243403339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200021 + ... + 352838.

It is an arithmetic number, because the mean of its divisors is an integer number (5336481150).

Almost surely, 2^42243403331 is an apocalyptic number.

42243403331 is a deficient number, since it is larger than the sum of its proper divisors (448445869).

42243403331 is a wasteful number, since it uses less digits than its factorization.

42243403331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553669.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 42243403331 its reverse (13330434224), we get a palindrome (55573837555).

The spelling of 42243403331 in words is "forty-two billion, two hundred forty-three million, four hundred three thousand, three hundred thirty-one".