42340104531 has 12 divisors (see below), whose sum is σ = 61788424152. Its totient is φ = 27935738496.

The previous prime is 42340104523. The next prime is 42340104533. The reversal of 42340104531 is 13540104324.

It is a happy number.

42340104531 is a `hidden beast` number, since 4 + 23 + 4 + 0 + 104 + 531 = 666.

It is not a de Polignac number, because 42340104531 - 2³ = 42340104523 is a prime.

It is a super-2 number, since 2×42340104531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42340104495 and 42340104504.

It is not an unprimeable number, because it can be changed into a prime (42340104533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24248901 + ... + 24250646.

It is an arithmetic number, because the mean of its divisors is an integer number (5149035346).

Almost surely, 2^42340104531 is an apocalyptic number.

42340104531 is a deficient number, since it is larger than the sum of its proper divisors (19448319621).

42340104531 is a wasteful number, since it uses less digits than its factorization.

42340104531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48499650 (or 48499647 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 42340104531 its reverse (13540104324), we get a palindrome (55880208855).

The spelling of 42340104531 in words is "forty-two billion, three hundred forty million, one hundred four thousand, five hundred thirty-one".