42716131 has 2 divisors, whose sum is σ = 42716132. Its totient is φ = 42716130.

The previous prime is 42716117. The next prime is 42716143. The reversal of 42716131 is 13161724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42716131 - 2⁵ = 42716099 is a prime.

It is a super-2 number, since 2×42716131² = 3649335695218322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42716096 and 42716105.

It is not a weakly prime, because it can be changed into another prime (42710131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21358065 + 21358066.

It is an arithmetic number, because the mean of its divisors is an integer number (21358066).

Almost surely, 2^42716131 is an apocalyptic number.

42716131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42716131 is an equidigital number, since it uses as much as digits as its factorization.

42716131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 42716131 is about 6535.7578749522. The cubic root of 42716131 is about 349.5671683556.

Adding to 42716131 its reverse (13161724), we get a palindrome (55877855).

The spelling of 42716131 in words is "forty-two million, seven hundred sixteen thousand, one hundred thirty-one".