42031012332271 has 2 divisors, whose sum is σ = 42031012332272. Its totient is φ = 42031012332270.

The previous prime is 42031012332263. The next prime is 42031012332289. The reversal of 42031012332271 is 17223321013024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42031012332271 - 2³ = 42031012332263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42031012332871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015506166135 + 21015506166136.

It is an arithmetic number, because the mean of its divisors is an integer number (21015506166136).

Almost surely, 2^{42031012332271} is an apocalyptic number.

42031012332271 is a deficient number, since it is larger than the sum of its proper divisors (1).

42031012332271 is an equidigital number, since it uses as much as digits as its factorization.

42031012332271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 42031012332271 its reverse (17223321013024), we get a palindrome (59254333345295).

The spelling of 42031012332271 in words is "forty-two trillion, thirty-one billion, twelve million, three hundred thirty-two thousand, two hundred seventy-one".