42231343131 has 12 divisors (see below), whose sum is σ = 61004292960. Its totient is φ = 28152630000.

The previous prime is 42231343081. The next prime is 42231343139. The reversal of 42231343131 is 13134313224.

It is a happy number.

42231343131 is a `hidden beast` number, since 4 + 223 + 1 + 3 + 431 + 3 + 1 = 666.

42231343131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42231343131 - 2¹¹ = 42231341083 is a prime.

It is a super-2 number, since 2×42231343131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42231343095 and 42231343104.

It is not an unprimeable number, because it can be changed into a prime (42231343139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46881 + ... + 294381.

It is an arithmetic number, because the mean of its divisors is an integer number (5083691080).

Almost surely, 2^42231343131 is an apocalyptic number.

42231343131 is a deficient number, since it is larger than the sum of its proper divisors (18772949829).

42231343131 is a wasteful number, since it uses less digits than its factorization.

42231343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266466 (or 266463 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 42231343131 its reverse (13134313224), we get a palindrome (55365656355).

The spelling of 42231343131 in words is "forty-two billion, two hundred thirty-one million, three hundred forty-three thousand, one hundred thirty-one".