42031134535 has 16 divisors (see below), whose sum is σ = 55580351904. Its totient is φ = 30316551552.

The previous prime is 42031134493. The next prime is 42031134539. The reversal of 42031134535 is 53543113024.

It is a cyclic number.

It is not a de Polignac number, because 42031134535 - 2¹¹ = 42031132487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42031134497 and 42031134506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031134539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7516192 + ... + 7521781.

It is an arithmetic number, because the mean of its divisors is an integer number (3473771994).

Almost surely, 2^42031134535 is an apocalyptic number.

42031134535 is a deficient number, since it is larger than the sum of its proper divisors (13549217369).

42031134535 is a wasteful number, since it uses less digits than its factorization.

42031134535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15038034.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 42031134535 its reverse (53543113024), we get a palindrome (95574247559).

The spelling of 42031134535 in words is "forty-two billion, thirty-one million, one hundred thirty-four thousand, five hundred thirty-five".