34142321 has 4 divisors (see below), whose sum is σ = 34240500. Its totient is φ = 34044144.

The previous prime is 34142291. The next prime is 34142333. The reversal of 34142321 is 12324143.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23902321 + 10240000 = 4889^2 + 3200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34142321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34142293 and 34142302.

It is not an unprimeable number, because it can be changed into a prime (34142921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48566 + ... + 49263.

It is an arithmetic number, because the mean of its divisors is an integer number (8560125).

Almost surely, 2^34142321 is an apocalyptic number.

It is an amenable number.

34142321 is a deficient number, since it is larger than the sum of its proper divisors (98179).

34142321 is an equidigital number, since it uses as much as digits as its factorization.

34142321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98178.

The product of its digits is 576, while the sum is 20.

The square root of 34142321 is about 5843.1430754347. The cubic root of 34142321 is about 324.4125751842.

Adding to 34142321 its reverse (12324143), we get a palindrome (46466464).

The spelling of 34142321 in words is "thirty-four million, one hundred forty-two thousand, three hundred twenty-one".