213310043340 has 96 divisors (see below), whose sum is σ = 623462676480. Its totient is φ = 54429196800.

The previous prime is 213310043333. The next prime is 213310043341. The reversal of 213310043340 is 43340013312.

It is a self number, because there is not a number n which added to its sum of digits gives 213310043340.

It is not an unprimeable number, because it can be changed into a prime (213310043341) 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, 478746 + ... + 809825.

It is an arithmetic number, because the mean of its divisors is an integer number (6494402880).

Almost surely, 2^213310043340 is an apocalyptic number.

213310043340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213310043340 is an abundant number, since it is smaller than the sum of its proper divisors (410152633140).

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

213310043340 is a wasteful number, since it uses less digits than its factorization.

213310043340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288703 (or 1288701 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213310043340 its reverse (43340013312), we get a palindrome (256650056652).

The spelling of 213310043340 in words is "two hundred thirteen billion, three hundred ten million, forty-three thousand, three hundred forty".