213021302 has 8 divisors (see below), whose sum is σ = 344111376. Its totient is φ = 98317512.

The previous prime is 213021299. The next prime is 213021307. The reversal of 213021302 is 203120312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213021307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4096538 + ... + 4096589.

It is an arithmetic number, because the mean of its divisors is an integer number (43013922).

Almost surely, 2^213021302 is an apocalyptic number.

213021302 is a deficient number, since it is larger than the sum of its proper divisors (131090074).

213021302 is a wasteful number, since it uses less digits than its factorization.

213021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193142.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213021302 is about 14595.2492955756. The cubic root of 213021302 is about 597.2291701636.

Adding to 213021302 its reverse (203120312), we get a palindrome (416141614).

It can be divided in two parts, 2130 and 21302, that added together give a palindrome (23432).

The spelling of 213021302 in words is "two hundred thirteen million, twenty-one thousand, three hundred two".