42417245231 has 2 divisors, whose sum is σ = 42417245232. Its totient is φ = 42417245230.

The previous prime is 42417245159. The next prime is 42417245249. The reversal of 42417245231 is 13254271424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42417245231 is a prime.

It is a super-2 number, since 2×42417245231² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 42417245191 and 42417245200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42417245261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21208622615 + 21208622616.

It is an arithmetic number, because the mean of its divisors is an integer number (21208622616).

Almost surely, 2^42417245231 is an apocalyptic number.

42417245231 is a deficient number, since it is larger than the sum of its proper divisors (1).

42417245231 is an equidigital number, since it uses as much as digits as its factorization.

42417245231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The spelling of 42417245231 in words is "forty-two billion, four hundred seventeen million, two hundred forty-five thousand, two hundred thirty-one".