213051330242 has 8 divisors (see below), whose sum is σ = 319661977932. Its totient is φ = 106497337600.

The previous prime is 213051330221. The next prime is 213051330277. The reversal of 213051330242 is 242033150312.

It is a happy number.

213051330242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 206198636281 + 6852693961 = 454091^2 + 82781^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14154359 + ... + 14169402.

Almost surely, 2^213051330242 is an apocalyptic number.

213051330242 is a deficient number, since it is larger than the sum of its proper divisors (106610647690).

213051330242 is a wasteful number, since it uses less digits than its factorization.

213051330242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28327524.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 213051330242 its reverse (242033150312), we get a palindrome (455084480554).

The spelling of 213051330242 in words is "two hundred thirteen billion, fifty-one million, three hundred thirty thousand, two hundred forty-two".