42210442031 has 2 divisors, whose sum is σ = 42210442032. Its totient is φ = 42210442030.

The previous prime is 42210442003. The next prime is 42210442033. The reversal of 42210442031 is 13024401224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42210442031 - 2⁶ = 42210441967 is a prime.

It is a super-2 number, since 2×42210442031² (a number of 22 digits) contains 22 as substring.

Together with 42210442033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42210441988 and 42210442006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42210442033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21105221015 + 21105221016.

It is an arithmetic number, because the mean of its divisors is an integer number (21105221016).

Almost surely, 2^42210442031 is an apocalyptic number.

42210442031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42210442031 is an equidigital number, since it uses as much as digits as its factorization.

42210442031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42210442031 its reverse (13024401224), we get a palindrome (55234843255).

The spelling of 42210442031 in words is "forty-two billion, two hundred ten million, four hundred forty-two thousand, thirty-one".