42034134231 has 24 divisors (see below), whose sum is σ = 61302818720. Its totient is φ = 27752155200.

The previous prime is 42034134209. The next prime is 42034134251. The reversal of 42034134231 is 13243143024.

42034134231 is a `hidden beast` number, since 4 + 203 + 413 + 42 + 3 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-42034134231 is a prime.

It is a super-2 number, since 2×42034134231² (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 = 42034134195 and 42034134204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42034134251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2257821 + ... + 2276361.

Almost surely, 2^42034134231 is an apocalyptic number.

42034134231 is a deficient number, since it is larger than the sum of its proper divisors (19268684489).

42034134231 is a wasteful number, since it uses less digits than its factorization.

42034134231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20967 (or 20964 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 42034134231 its reverse (13243143024), we get a palindrome (55277277255).

The spelling of 42034134231 in words is "forty-two billion, thirty-four million, one hundred thirty-four thousand, two hundred thirty-one".