213002320394 has 8 divisors (see below), whose sum is σ = 320241365220. Its totient is φ = 106255198656.

The previous prime is 213002320339. The next prime is 213002320423. The reversal of 213002320394 is 493023200312.

It can be written as a sum of positive squares in 2 ways, for example, as 212949946225 + 52374169 = 461465^2 + 7237^2 .

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

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, 122979689 + ... + 122981420.

Almost surely, 2^213002320394 is an apocalyptic number.

213002320394 is a deficient number, since it is larger than the sum of its proper divisors (107239044826).

213002320394 is a wasteful number, since it uses less digits than its factorization.

213002320394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245961544.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 213002320394 in words is "two hundred thirteen billion, two million, three hundred twenty thousand, three hundred ninety-four".