33134140321 has 4 divisors (see below), whose sum is σ = 33134528644. Its totient is φ = 33133752000.

The previous prime is 33134140313. The next prime is 33134140373. The reversal of 33134140321 is 12304143133.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22480804096 + 10653336225 = 149936^2 + 103215^2 .

It is a cyclic number.

It is not a de Polignac number, because 33134140321 - 2³ = 33134140313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33134140381) 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, 4260 + ... + 257461.

It is an arithmetic number, because the mean of its divisors is an integer number (8283632161).

Almost surely, 2^33134140321 is an apocalyptic number.

It is an amenable number.

33134140321 is a deficient number, since it is larger than the sum of its proper divisors (388323).

33134140321 is a wasteful number, since it uses less digits than its factorization.

33134140321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388322.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 33134140321 its reverse (12304143133), we get a palindrome (45438283454).

The spelling of 33134140321 in words is "thirty-three billion, one hundred thirty-four million, one hundred forty thousand, three hundred twenty-one".