42323232031 has 2 divisors, whose sum is σ = 42323232032. Its totient is φ = 42323232030.

The previous prime is 42323231971. The next prime is 42323232059. The reversal of 42323232031 is 13023232324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42323232031 - 2¹¹ = 42323229983 is a prime.

It is a super-2 number, since 2×42323232031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42323231987 and 42323232005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42323232631) 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, 21161616015 + 21161616016.

It is an arithmetic number, because the mean of its divisors is an integer number (21161616016).

Almost surely, 2^42323232031 is an apocalyptic number.

42323232031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42323232031 is an equidigital number, since it uses as much as digits as its factorization.

42323232031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 42323232031 its reverse (13023232324), we get a palindrome (55346464355).

The spelling of 42323232031 in words is "forty-two billion, three hundred twenty-three million, two hundred thirty-two thousand, thirty-one".