42543332031 has 16 divisors (see below), whose sum is σ = 60429659904. Its totient is φ = 26530084224.

The previous prime is 42543332011. The next prime is 42543332033. The reversal of 42543332031 is 13023334524.

It is not a de Polignac number, because 42543332031 - 2²⁷ = 42409114303 is a prime.

It is a super-2 number, since 2×42543332031² (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 42543332031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42543332033) 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, 2550531 + ... + 2567156.

It is an arithmetic number, because the mean of its divisors is an integer number (3776853744).

Almost surely, 2^42543332031 is an apocalyptic number.

42543332031 is a deficient number, since it is larger than the sum of its proper divisors (17886327873).

42543332031 is a wasteful number, since it uses less digits than its factorization.

42543332031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117870.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 42543332031 its reverse (13023334524), we get a palindrome (55566666555).

The spelling of 42543332031 in words is "forty-two billion, five hundred forty-three million, three hundred thirty-two thousand, thirty-one".