34442131321 has 4 divisors (see below), whose sum is σ = 37091526052. Its totient is φ = 31792736592.

The previous prime is 34442131289. The next prime is 34442131349. The reversal of 34442131321 is 12313124443.

It is a happy number.

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 12890423296 + 21551708025 = 113536^2 + 146805^2 .

It is a cyclic number.

It is not a de Polignac number, because 34442131321 - 2⁵ = 34442131289 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 34442131321.

It is not an unprimeable number, because it can be changed into a prime (34442131021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324697346 + ... + 1324697371.

It is an arithmetic number, because the mean of its divisors is an integer number (9272881513).

Almost surely, 2^34442131321 is an apocalyptic number.

It is an amenable number.

34442131321 is a deficient number, since it is larger than the sum of its proper divisors (2649394731).

34442131321 is a wasteful number, since it uses less digits than its factorization.

34442131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649394730.

The product of its digits is 6912, while the sum is 28.

Adding to 34442131321 its reverse (12313124443), we get a palindrome (46755255764).

The spelling of 34442131321 in words is "thirty-four billion, four hundred forty-two million, one hundred thirty-one thousand, three hundred twenty-one".