213130211322 has 16 divisors (see below), whose sum is σ = 487154768832. Its totient is φ = 60894346080.

The previous prime is 213130211311. The next prime is 213130211323. The reversal of 213130211322 is 223112031312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (213130211323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2537264379 + ... + 2537264462.

It is an arithmetic number, because the mean of its divisors is an integer number (30447173052).

Almost surely, 2^213130211322 is an apocalyptic number.

213130211322 is an abundant number, since it is smaller than the sum of its proper divisors (274024557510).

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

213130211322 is a wasteful number, since it uses less digits than its factorization.

213130211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074528853.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213130211322 its reverse (223112031312), we get a palindrome (436242242634).

The spelling of 213130211322 in words is "two hundred thirteen billion, one hundred thirty million, two hundred eleven thousand, three hundred twenty-two".