213013322 has 4 divisors (see below), whose sum is σ = 319519986. Its totient is φ = 106506660.

The previous prime is 213013303. The next prime is 213013337. The reversal of 213013322 is 223310312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121638841 + 91374481 = 11029^2 + 9559^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213013322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53253329 + ... + 53253332.

Almost surely, 2^213013322 is an apocalyptic number.

213013322 is a deficient number, since it is larger than the sum of its proper divisors (106506664).

213013322 is a wasteful number, since it uses less digits than its factorization.

213013322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106506663.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213013322 is about 14594.9759163899. The cubic root of 213013322 is about 597.2217124614.

Adding to 213013322 its reverse (223310312), we get a palindrome (436323634).

The spelling of 213013322 in words is "two hundred thirteen million, thirteen thousand, three hundred twenty-two".