342880281 has 6 divisors (see below), whose sum is σ = 495271530. Its totient is φ = 228586848.

The previous prime is 342880277. The next prime is 342880283. The reversal of 342880281 is 182088243.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 342842256 + 38025 = 18516^2 + 195^2 .

It is not a de Polignac number, because 342880281 - 2² = 342880277 is a prime.

It is a super-2 number, since 2×342880281² = 235133774197277922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342880283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19048896 + ... + 19048913.

It is an arithmetic number, because the mean of its divisors is an integer number (82545255).

Almost surely, 2^342880281 is an apocalyptic number.

It is an amenable number.

342880281 is a deficient number, since it is larger than the sum of its proper divisors (152391249).

342880281 is a wasteful number, since it uses less digits than its factorization.

342880281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38097815 (or 38097812 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 342880281 is about 18517.0267861771. The cubic root of 342880281 is about 699.9185490263.

The spelling of 342880281 in words is "three hundred forty-two million, eight hundred eighty thousand, two hundred eighty-one".