42134015231 has 16 divisors (see below), whose sum is σ = 55295496960. Its totient is φ = 31103714880.

The previous prime is 42134015197. The next prime is 42134015237. The reversal of 42134015231 is 13251043124.

It is a happy number.

It is not a de Polignac number, because 42134015231 - 2¹⁸ = 42133753087 is a prime.

It is a super-2 number, since 2×42134015231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42134015231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42134015237) 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, 14398406 + ... + 14401331.

It is an arithmetic number, because the mean of its divisors is an integer number (3455968560).

Almost surely, 2^42134015231 is an apocalyptic number.

42134015231 is a deficient number, since it is larger than the sum of its proper divisors (13161481729).

42134015231 is a wasteful number, since it uses less digits than its factorization.

42134015231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28799774.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 42134015231 its reverse (13251043124), we get a palindrome (55385058355).

The spelling of 42134015231 in words is "forty-two billion, one hundred thirty-four million, fifteen thousand, two hundred thirty-one".