42243041131 has 4 divisors (see below), whose sum is σ = 42935550064. Its totient is φ = 41550532200.

The previous prime is 42243041129. The next prime is 42243041143. The reversal of 42243041131 is 13114034224.

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 42243041131 - 2¹ = 42243041129 is a prime.

It is a super-2 number, since 2×42243041131² (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 = 42243041096 and 42243041105.

It is not an unprimeable number, because it can be changed into a prime (42243041111) 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, 346254375 + ... + 346254496.

It is an arithmetic number, because the mean of its divisors is an integer number (10733887516).

Almost surely, 2^42243041131 is an apocalyptic number.

42243041131 is a deficient number, since it is larger than the sum of its proper divisors (692508933).

42243041131 is an equidigital number, since it uses as much as digits as its factorization.

42243041131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692508932.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42243041131 its reverse (13114034224), we get a palindrome (55357075355).

The spelling of 42243041131 in words is "forty-two billion, two hundred forty-three million, forty-one thousand, one hundred thirty-one".