213002010306 has 24 divisors (see below), whose sum is σ = 488651671404. Its totient is φ = 66824160000.

The previous prime is 213002010301. The next prime is 213002010427. The reversal of 213002010306 is 603010200312.

It can be written as a sum of positive squares in 2 ways, for example, as 173756419281 + 39245591025 = 416841^2 + 198105^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (213002010301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348042195 + ... + 348042806.

Almost surely, 2^213002010306 is an apocalyptic number.

213002010306 is an abundant number, since it is smaller than the sum of its proper divisors (275649661098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213002010306 is a wasteful number, since it uses less digits than its factorization.

213002010306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696085026 (or 696085023 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213002010306 its reverse (603010200312), we get a palindrome (816012210618).

The spelling of 213002010306 in words is "two hundred thirteen billion, two million, ten thousand, three hundred six".