42534540031 has 8 divisors (see below), whose sum is σ = 43690767824. Its totient is φ = 41378662080.

The previous prime is 42534540029. The next prime is 42534540043. The reversal of 42534540031 is 13004543524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42534540031 - 2¹ = 42534540029 is a prime.

It is a super-2 number, since 2×42534540031² (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 = 42534539975 and 42534540002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534540431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169096 + ... + 337138.

It is an arithmetic number, because the mean of its divisors is an integer number (5461345978).

Almost surely, 2^42534540031 is an apocalyptic number.

42534540031 is a deficient number, since it is larger than the sum of its proper divisors (1156227793).

42534540031 is a wasteful number, since it uses less digits than its factorization.

42534540031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174921.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 42534540031 in words is "forty-two billion, five hundred thirty-four million, five hundred forty thousand, thirty-one".