213143310320 has 40 divisors (see below), whose sum is σ = 503957499120. Its totient is φ = 83812282880.

The previous prime is 213143310293. The next prime is 213143310323. The reversal of 213143310320 is 23013341312.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213143310323) 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, 22574021 + ... + 22583460.

It is an arithmetic number, because the mean of its divisors is an integer number (12598937478).

Almost surely, 2^213143310320 is an apocalyptic number.

213143310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213143310320 is an abundant number, since it is smaller than the sum of its proper divisors (290814188800).

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

213143310320 is a wasteful number, since it uses less digits than its factorization.

213143310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45157553 (or 45157547 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213143310320 its reverse (23013341312), we get a palindrome (236156651632).

The spelling of 213143310320 in words is "two hundred thirteen billion, one hundred forty-three million, three hundred ten thousand, three hundred twenty".