213214310340 has 24 divisors (see below), whose sum is σ = 597000069120. Its totient is φ = 56857149408.

The previous prime is 213214310339. The next prime is 213214310461. The reversal of 213214310340 is 43013412312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213214310340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1776785860 + ... + 1776785979.

It is an arithmetic number, because the mean of its divisors is an integer number (24875002880).

Almost surely, 2^213214310340 is an apocalyptic number.

213214310340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213214310340 is an abundant number, since it is smaller than the sum of its proper divisors (383785758780).

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

213214310340 is a wasteful number, since it uses less digits than its factorization.

213214310340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553571851 (or 3553571849 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213214310340 its reverse (43013412312), we get a palindrome (256227722652).

The spelling of 213214310340 in words is "two hundred thirteen billion, two hundred fourteen million, three hundred ten thousand, three hundred forty".