213040342 has 8 divisors (see below), whose sum is σ = 319695696. Its totient is φ = 106475112.

The previous prime is 213040319. The next prime is 213040357. The reversal of 213040342 is 243040312.

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, 16273 + ... + 26284.

It is an arithmetic number, because the mean of its divisors is an integer number (39961962).

Almost surely, 2^213040342 is an apocalyptic number.

213040342 is a deficient number, since it is larger than the sum of its proper divisors (106655354).

213040342 is a wasteful number, since it uses less digits than its factorization.

213040342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45062.

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

The square root of 213040342 is about 14595.9015480374. The cubic root of 213040342 is about 597.2469632270.

Adding to 213040342 its reverse (243040312), we get a palindrome (456080654).

The spelling of 213040342 in words is "two hundred thirteen million, forty thousand, three hundred forty-two".