128033319301 has 4 divisors (see below), whose sum is σ = 128041739532. Its totient is φ = 128024899072.

The previous prime is 128033319299. The next prime is 128033319331. The reversal of 128033319301 is 103913330821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103913330821 = 7759 ⋅13392619.

It can be written as a sum of positive squares in 2 ways, for example, as 44795299201 + 83238020100 = 211649^2 + 288510^2 .

It is a cyclic number.

It is not a de Polignac number, because 128033319301 - 2¹ = 128033319299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128033319331) 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, 4187266 + ... + 4217731.

It is an arithmetic number, because the mean of its divisors is an integer number (32010434883).

Almost surely, 2^128033319301 is an apocalyptic number.

It is an amenable number.

128033319301 is a deficient number, since it is larger than the sum of its proper divisors (8420231).

128033319301 is an equidigital number, since it uses as much as digits as its factorization.

128033319301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420230.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 128033319301 in words is "one hundred twenty-eight billion, thirty-three million, three hundred nineteen thousand, three hundred one".