42243030331 has 4 divisors (see below), whose sum is σ = 42273012600. Its totient is φ = 42213048064.

The previous prime is 42243030299. The next prime is 42243030341. The reversal of 42243030331 is 13303034224.

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 42243030331 - 2⁵ = 42243030299 is a prime.

It is a super-2 number, since 2×42243030331² (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 = 42243030296 and 42243030305.

It is not an unprimeable number, because it can be changed into a prime (42243030341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14989021 + ... + 14991838.

It is an arithmetic number, because the mean of its divisors is an integer number (10568253150).

Almost surely, 2^42243030331 is an apocalyptic number.

42243030331 is a deficient number, since it is larger than the sum of its proper divisors (29982269).

42243030331 is a wasteful number, since it uses less digits than its factorization.

42243030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29982268.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 42243030331 its reverse (13303034224), we get a palindrome (55546064555).

The spelling of 42243030331 in words is "forty-two billion, two hundred forty-three million, thirty thousand, three hundred thirty-one".