213132130320 has 80 divisors (see below), whose sum is σ = 661121435520. Its totient is φ = 56799808512.

The previous prime is 213132130307. The next prime is 213132130373. The reversal of 213132130320 is 23031231312.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110197 + ... + 662123.

It is an arithmetic number, because the mean of its divisors is an integer number (8264017944).

Almost surely, 2^213132130320 is an apocalyptic number.

213132130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213132130320 is an abundant number, since it is smaller than the sum of its proper divisors (447989305200).

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

213132130320 is a wasteful number, since it uses less digits than its factorization.

213132130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553552 (or 553546 counting only the distinct ones).

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

Adding to 213132130320 its reverse (23031231312), we get a palindrome (236163361632).

The spelling of 213132130320 in words is "two hundred thirteen billion, one hundred thirty-two million, one hundred thirty thousand, three hundred twenty".