42221334031 has 2 divisors, whose sum is σ = 42221334032. Its totient is φ = 42221334030.

The previous prime is 42221334017. The next prime is 42221334041. The reversal of 42221334031 is 13043312224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42221334031 - 2²¹ = 42219236879 is a prime.

It is a super-2 number, since 2×42221334031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42221333987 and 42221334005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42221334041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21110667015 + 21110667016.

It is an arithmetic number, because the mean of its divisors is an integer number (21110667016).

Almost surely, 2^42221334031 is an apocalyptic number.

42221334031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42221334031 is an equidigital number, since it uses as much as digits as its factorization.

42221334031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42221334031 its reverse (13043312224), we get a palindrome (55264646255).

The spelling of 42221334031 in words is "forty-two billion, two hundred twenty-one million, three hundred thirty-four thousand, thirty-one".