210340342 has 8 divisors (see below), whose sum is σ = 315660096. Its totient is φ = 105120312.

The previous prime is 210340327. The next prime is 210340357. The reversal of 210340342 is 243043012.

210340342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210340327) and next prime (210340357).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19413 + ... + 28240.

It is an arithmetic number, because the mean of its divisors is an integer number (39457512).

Almost surely, 2^210340342 is an apocalyptic number.

210340342 is a deficient number, since it is larger than the sum of its proper divisors (105319754).

210340342 is a wasteful number, since it uses less digits than its factorization.

210340342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49862.

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

The square root of 210340342 is about 14503.1149068054. The cubic root of 210340342 is about 594.7131277224.

Adding to 210340342 its reverse (243043012), we get a palindrome (453383354).

The spelling of 210340342 in words is "two hundred ten million, three hundred forty thousand, three hundred forty-two".