213000021310 has 32 divisors (see below), whose sum is σ = 384320116800. Its totient is φ = 84995758848.

The previous prime is 213000021307. The next prime is 213000021337. The reversal of 213000021310 is 13120000312.

It is a super-2 number, since 2×213000021310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8691234 + ... + 8715706.

It is an arithmetic number, because the mean of its divisors is an integer number (12010003650).

Almost surely, 2^213000021310 is an apocalyptic number.

213000021310 is a deficient number, since it is larger than the sum of its proper divisors (171320095490).

213000021310 is a wasteful number, since it uses less digits than its factorization.

213000021310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26532.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 213000021310 its reverse (13120000312), we get a palindrome (226120021622).

The spelling of 213000021310 in words is "two hundred thirteen billion, twenty-one thousand, three hundred ten".