213020312 has 32 divisors (see below), whose sum is σ = 417322800. Its totient is φ = 101808000.

The previous prime is 213020257. The next prime is 213020317.

It is a happy number.

213020312 is nontrivially palindromic in base 10.

213020312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18887 + ... + 27977.

Almost surely, 2^213020312 is an apocalyptic number.

It is an amenable number.

213020312 is a deficient number, since it is larger than the sum of its proper divisors (204302488).

213020312 is a wasteful number, since it uses less digits than its factorization.

213020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227 (or 9223 counting only the distinct ones).

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

The square root of 213020312 is about 14595.2153803909. The cubic root of 213020312 is about 597.2282449701.

The spelling of 213020312 in words is "two hundred thirteen million, twenty thousand, three hundred twelve".