210430342 has 4 divisors (see below), whose sum is σ = 315645516. Its totient is φ = 105215170.

The previous prime is 210430333. The next prime is 210430343. The reversal of 210430342 is 243034012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210430343) 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, 52607584 + ... + 52607587.

It is an arithmetic number, because the mean of its divisors is an integer number (78911379).

Almost surely, 2^210430342 is an apocalyptic number.

210430342 is a deficient number, since it is larger than the sum of its proper divisors (105215174).

210430342 is a wasteful number, since it uses less digits than its factorization.

210430342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105215173.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 210430342 is about 14506.2173567061. The cubic root of 210430342 is about 594.7979371775.

Adding to 210430342 its reverse (243034012), we get a palindrome (453464354).

The spelling of 210430342 in words is "two hundred ten million, four hundred thirty thousand, three hundred forty-two".