213310321320 has 128 divisors (see below), whose sum is σ = 677712147840. Its totient is φ = 53525790720.

The previous prime is 213310321307. The next prime is 213310321327. The reversal of 213310321320 is 23123013312.

It is not an unprimeable number, because it can be changed into a prime (213310321327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15584880 + ... + 15598560.

It is an arithmetic number, because the mean of its divisors is an integer number (5294626155).

Almost surely, 2^213310321320 is an apocalyptic number.

213310321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213310321320 is an abundant number, since it is smaller than the sum of its proper divisors (464401826520).

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

213310321320 is a wasteful number, since it uses less digits than its factorization.

213310321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21355 (or 21351 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213310321320 its reverse (23123013312), we get a palindrome (236433334632).

The spelling of 213310321320 in words is "two hundred thirteen billion, three hundred ten million, three hundred twenty-one thousand, three hundred twenty".