34135431521 has 8 divisors (see below), whose sum is σ = 35939338080. Its totient is φ = 32332255488.

The previous prime is 34135431461. The next prime is 34135431529. The reversal of 34135431521 is 12513453143.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34135431521 - 2¹⁴ = 34135415137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34135431529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85376 + ... + 274881.

It is an arithmetic number, because the mean of its divisors is an integer number (4492417260).

Almost surely, 2^34135431521 is an apocalyptic number.

It is an amenable number.

34135431521 is a deficient number, since it is larger than the sum of its proper divisors (1803906559).

34135431521 is a wasteful number, since it uses less digits than its factorization.

34135431521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365263.

The product of its digits is 21600, while the sum is 32.

Adding to 34135431521 its reverse (12513453143), we get a palindrome (46648884664).

The spelling of 34135431521 in words is "thirty-four billion, one hundred thirty-five million, four hundred thirty-one thousand, five hundred twenty-one".