34130321 has 4 divisors (see below), whose sum is σ = 35614272. Its totient is φ = 32646372.

The previous prime is 34130311. The next prime is 34130329. The reversal of 34130321 is 12303143.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-34130321 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 34130321.

It is not an unprimeable number, because it can be changed into a prime (34130329) 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, 741941 + ... + 741986.

It is an arithmetic number, because the mean of its divisors is an integer number (8903568).

Almost surely, 2^34130321 is an apocalyptic number.

It is an amenable number.

34130321 is a deficient number, since it is larger than the sum of its proper divisors (1483951).

34130321 is a wasteful number, since it uses less digits than its factorization.

34130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483950.

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

The square root of 34130321 is about 5842.1161405778. The cubic root of 34130321 is about 324.3745636395.

Adding to 34130321 its reverse (12303143), we get a palindrome (46433464).

The spelling of 34130321 in words is "thirty-four million, one hundred thirty thousand, three hundred twenty-one".