42323322331 has 2 divisors, whose sum is σ = 42323322332. Its totient is φ = 42323322330.

The previous prime is 42323322317. The next prime is 42323322337. The reversal of 42323322331 is 13322332324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42323322331 - 2⁵ = 42323322299 is a prime.

It is a super-2 number, since 2×42323322331² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42323322331.

It is not a weakly prime, because it can be changed into another prime (42323322337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21161661165 + 21161661166.

It is an arithmetic number, because the mean of its divisors is an integer number (21161661166).

Almost surely, 2^42323322331 is an apocalyptic number.

42323322331 is a deficient number, since it is larger than the sum of its proper divisors (1).

42323322331 is an equidigital number, since it uses as much as digits as its factorization.

42323322331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 28.

Adding to 42323322331 its reverse (13322332324), we get a palindrome (55645654655).

The spelling of 42323322331 in words is "forty-two billion, three hundred twenty-three million, three hundred twenty-two thousand, three hundred thirty-one".