213340302 has 96 divisors (see below), whose sum is σ = 550839744. Its totient is φ = 58406400.

The previous prime is 213340301. The next prime is 213340321. The reversal of 213340302 is 203043312.

213340302 is a `hidden beast` number, since 21 + 3 + 340 + 302 = 666.

213340302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213340301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314788 + ... + 315464.

It is an arithmetic number, because the mean of its divisors is an integer number (5737914).

Almost surely, 2^213340302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213340302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275419872).

213340302 is an abundant number, since it is smaller than the sum of its proper divisors (337499442).

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

213340302 is a wasteful number, since it uses less digits than its factorization.

213340302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 213340302 is about 14606.1734208519. The cubic root of 213340302 is about 597.5271389318.

Adding to 213340302 its reverse (203043312), we get a palindrome (416383614).

The spelling of 213340302 in words is "two hundred thirteen million, three hundred forty thousand, three hundred two".