34051320521 has 4 divisors (see below), whose sum is σ = 34113572112. Its totient is φ = 33989068932.

The previous prime is 34051320481. The next prime is 34051320547. The reversal of 34051320521 is 12502315043.

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-34051320521 is a prime.

It is a super-2 number, since 2×34051320521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34051320581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31124975 + ... + 31126068.

It is an arithmetic number, because the mean of its divisors is an integer number (8528393028).

Almost surely, 2^34051320521 is an apocalyptic number.

It is an amenable number.

34051320521 is a deficient number, since it is larger than the sum of its proper divisors (62251591).

34051320521 is an equidigital number, since it uses as much as digits as its factorization.

34051320521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62251590.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 34051320521 its reverse (12502315043), we get a palindrome (46553635564).

The spelling of 34051320521 in words is "thirty-four billion, fifty-one million, three hundred twenty thousand, five hundred twenty-one".