42313030040161 has 2 divisors, whose sum is σ = 42313030040162. Its totient is φ = 42313030040160.

The previous prime is 42313030040153. The next prime is 42313030040221. The reversal of 42313030040161 is 16104003031324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29576803663936 + 12736226376225 = 5438456^2 + 3568785^2 .

It is a cyclic number.

It is not a de Polignac number, because 42313030040161 - 2³ = 42313030040153 is a prime.

It is a super-2 number, since 2×42313030040161² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42313030049161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21156515020080 + 21156515020081.

It is an arithmetic number, because the mean of its divisors is an integer number (21156515020081).

Almost surely, 2^{42313030040161} is an apocalyptic number.

It is an amenable number.

42313030040161 is a deficient number, since it is larger than the sum of its proper divisors (1).

42313030040161 is an equidigital number, since it uses as much as digits as its factorization.

42313030040161 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 28.

Adding to 42313030040161 its reverse (16104003031324), we get a palindrome (58417033071485).

The spelling of 42313030040161 in words is "forty-two trillion, three hundred thirteen billion, thirty million, forty thousand, one hundred sixty-one".