42231141131 has 4 divisors (see below), whose sum is σ = 42240802752. Its totient is φ = 42221479512.

The previous prime is 42231141083. The next prime is 42231141149. The reversal of 42231141131 is 13114113224.

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-42231141131 is a prime.

It is a super-2 number, since 2×42231141131² (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 = 42231141097 and 42231141106.

It is not an unprimeable number, because it can be changed into a prime (42231141151) 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, 4824251 + ... + 4832996.

It is an arithmetic number, because the mean of its divisors is an integer number (10560200688).

Almost surely, 2^42231141131 is an apocalyptic number.

42231141131 is a deficient number, since it is larger than the sum of its proper divisors (9661621).

42231141131 is an equidigital number, since it uses as much as digits as its factorization.

42231141131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661620.

The product of its digits is 576, while the sum is 23.

Adding to 42231141131 its reverse (13114113224), we get a palindrome (55345254355).

The spelling of 42231141131 in words is "forty-two billion, two hundred thirty-one million, one hundred forty-one thousand, one hundred thirty-one".