34345122181 has 2 divisors, whose sum is σ = 34345122182. Its totient is φ = 34345122180.

The previous prime is 34345122167. The next prime is 34345122263. The reversal of 34345122181 is 18122154343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34304596225 + 40525956 = 185215^2 + 6366^2 .

It is a cyclic number.

It is not a de Polignac number, because 34345122181 - 2⁹ = 34345121669 is a prime.

It is a super-2 number, since 2×34345122181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34345122101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17172561090 + 17172561091.

It is an arithmetic number, because the mean of its divisors is an integer number (17172561091).

Almost surely, 2^34345122181 is an apocalyptic number.

It is an amenable number.

34345122181 is a deficient number, since it is larger than the sum of its proper divisors (1).

34345122181 is an equidigital number, since it uses as much as digits as its factorization.

34345122181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The spelling of 34345122181 in words is "thirty-four billion, three hundred forty-five million, one hundred twenty-two thousand, one hundred eighty-one".