42406141531 has 4 divisors (see below), whose sum is σ = 45668152432. Its totient is φ = 39144130632.

The previous prime is 42406141523. The next prime is 42406141543. The reversal of 42406141531 is 13514160424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42406141531 - 2³ = 42406141523 is a prime.

It is a super-2 number, since 2×42406141531² (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 = 42406141493 and 42406141502.

It is not an unprimeable number, because it can be changed into a prime (42406141501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631005431 + ... + 1631005456.

It is an arithmetic number, because the mean of its divisors is an integer number (11417038108).

Almost surely, 2^42406141531 is an apocalyptic number.

42406141531 is a deficient number, since it is larger than the sum of its proper divisors (3262010901).

42406141531 is a wasteful number, since it uses less digits than its factorization.

42406141531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262010900.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 42406141531 in words is "forty-two billion, four hundred six million, one hundred forty-one thousand, five hundred thirty-one".