342708881 has 2 divisors, whose sum is σ = 342708882. Its totient is φ = 342708880.

The previous prime is 342708851. The next prime is 342708923. The reversal of 342708881 is 188807243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341658256 + 1050625 = 18484^2 + 1025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342708881 is a prime.

It is a super-2 number, since 2×342708881² = 234898754232544322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (342708811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171354440 + 171354441.

It is an arithmetic number, because the mean of its divisors is an integer number (171354441).

Almost surely, 2^342708881 is an apocalyptic number.

It is an amenable number.

342708881 is a deficient number, since it is larger than the sum of its proper divisors (1).

342708881 is an equidigital number, since it uses as much as digits as its factorization.

342708881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 342708881 is about 18512.3980348306. The cubic root of 342708881 is about 699.8019038091.

The spelling of 342708881 in words is "three hundred forty-two million, seven hundred eight thousand, eight hundred eighty-one".