34321213 has 4 divisors (see below), whose sum is σ = 34642080. Its totient is φ = 34000348.

The previous prime is 34321207. The next prime is 34321229. The reversal of 34321213 is 31212343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34321213 - 2⁹ = 34320701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34321253) 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, 160273 + ... + 160486.

It is an arithmetic number, because the mean of its divisors is an integer number (8660520).

Almost surely, 2^34321213 is an apocalyptic number.

It is an amenable number.

34321213 is a deficient number, since it is larger than the sum of its proper divisors (320867).

34321213 is a wasteful number, since it uses less digits than its factorization.

34321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320866.

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

The square root of 34321213 is about 5858.4309332790. The cubic root of 34321213 is about 324.9781855181.

Adding to 34321213 its reverse (31212343), we get a palindrome (65533556).

The spelling of 34321213 in words is "thirty-four million, three hundred twenty-one thousand, two hundred thirteen".