213123010330 has 8 divisors (see below), whose sum is σ = 383621418612. Its totient is φ = 85249204128.

The previous prime is 213123010319. The next prime is 213123010333. The reversal of 213123010330 is 33010321312.

It can be written as a sum of positive squares in 2 ways, for example, as 210964757481 + 2158252849 = 459309^2 + 46457^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 213123010298 and 213123010307.

It is not an unprimeable number, because it can be changed into a prime (213123010333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10656150507 + ... + 10656150526.

Almost surely, 2^213123010330 is an apocalyptic number.

213123010330 is a deficient number, since it is larger than the sum of its proper divisors (170498408282).

213123010330 is a wasteful number, since it uses less digits than its factorization.

213123010330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312301040.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213123010330 its reverse (33010321312), we get a palindrome (246133331642).

The spelling of 213123010330 in words is "two hundred thirteen billion, one hundred twenty-three million, ten thousand, three hundred thirty".