213002010321 has 16 divisors (see below), whose sum is σ = 293593374720. Its totient is φ = 137219409360.

The previous prime is 213002010301. The next prime is 213002010427. The reversal of 213002010321 is 123010200312.

It is not a de Polignac number, because 213002010321 - 2⁹ = 213002009809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213002010321.

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 15 ways as a sum of consecutive naturals, for example, 1613161 + ... + 1740198.

It is an arithmetic number, because the mean of its divisors is an integer number (18349585920).

Almost surely, 2^213002010321 is an apocalyptic number.

It is an amenable number.

213002010321 is a deficient number, since it is larger than the sum of its proper divisors (80591364399).

213002010321 is a wasteful number, since it uses less digits than its factorization.

213002010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354076.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 213002010321 its reverse (123010200312), we get a palindrome (336012210633).

The spelling of 213002010321 in words is "two hundred thirteen billion, two million, ten thousand, three hundred twenty-one".