342021002 has 4 divisors (see below), whose sum is σ = 513031506. Its totient is φ = 171010500.

The previous prime is 342020989. The next prime is 342021013. The reversal of 342021002 is 200120243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 270635401 + 71385601 = 16451^2 + 8449^2 .

It is an unprimeable number.

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, 85505249 + ... + 85505252.

Almost surely, 2^342021002 is an apocalyptic number.

342021002 is a deficient number, since it is larger than the sum of its proper divisors (171010504).

342021002 is a wasteful number, since it uses less digits than its factorization.

342021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171010503.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 342021002 is about 18493.8098292375. The cubic root of 342021002 is about 699.3333803364. Note that the first 4 decimals are identical.

Adding to 342021002 its reverse (200120243), we get a palindrome (542141245).

The spelling of 342021002 in words is "three hundred forty-two million, twenty-one thousand, two".