342708181 has 2 divisors, whose sum is σ = 342708182. Its totient is φ = 342708180.

The previous prime is 342708169. The next prime is 342708259. The reversal of 342708181 is 181807243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306600100 + 36108081 = 17510^2 + 6009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342708181 is a prime.

It is a super-2 number, since 2×342708181² = 234897794648657522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342708101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171354090 + 171354091.

It is an arithmetic number, because the mean of its divisors is an integer number (171354091).

Almost surely, 2^342708181 is an apocalyptic number.

It is an amenable number.

342708181 is a deficient number, since it is larger than the sum of its proper divisors (1).

342708181 is an equidigital number, since it uses as much as digits as its factorization.

342708181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 342708181 is about 18512.3791285723. The cubic root of 342708181 is about 699.8014273487.

The spelling of 342708181 in words is "three hundred forty-two million, seven hundred eight thousand, one hundred eighty-one".