133220031221305 has 32 divisors (see below), whose sum is σ = 198949281811200. Its totient is φ = 83558698336512.

The previous prime is 133220031221281. The next prime is 133220031221309. The reversal of 133220031221305 is 503122130022331.

It is not a de Polignac number, because 133220031221305 - 2¹¹ = 133220031219257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133220031221309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3453961302 + ... + 3453999871.

It is an arithmetic number, because the mean of its divisors is an integer number (6217165056600).

Almost surely, 2^{133220031221305} is an apocalyptic number.

It is an amenable number.

133220031221305 is a deficient number, since it is larger than the sum of its proper divisors (65729250589895).

133220031221305 is a wasteful number, since it uses less digits than its factorization.

133220031221305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907961233.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 133220031221305 its reverse (503122130022331), we get a palindrome (636342161243636).

The spelling of 133220031221305 in words is "one hundred thirty-three trillion, two hundred twenty billion, thirty-one million, two hundred twenty-one thousand, three hundred five".