213214033 has 6 divisors (see below), whose sum is σ = 216448386. Its totient is φ = 210027312.

The previous prime is 213214031. The next prime is 213214039. The reversal of 213214033 is 330412312.

213214033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 209438784 + 3775249 = 14472^2 + 1943^2 .

It is not a de Polignac number, because 213214033 - 2¹ = 213214031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213214033.

It is not an unprimeable number, because it can be changed into a prime (213214031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19260 + ... + 28237.

It is an arithmetic number, because the mean of its divisors is an integer number (36074731).

Almost surely, 2^213214033 is an apocalyptic number.

It is an amenable number.

213214033 is a deficient number, since it is larger than the sum of its proper divisors (3234353).

213214033 is an frugal number, since it uses more digits than its factorization.

213214033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47631 (or 47564 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 213214033 is about 14601.8503279550. The cubic root of 213214033 is about 597.4092302138.

Adding to 213214033 its reverse (330412312), we get a palindrome (543626345).

The spelling of 213214033 in words is "two hundred thirteen million, two hundred fourteen thousand, thirty-three".