128301313 has 4 divisors (see below), whose sum is σ = 146630080. Its totient is φ = 109972548.

The previous prime is 128301289. The next prime is 128301323. The reversal of 128301313 is 313103821.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313103821 = 1471 ⋅212851.

It is not a de Polignac number, because 128301313 - 2¹⁷ = 128170241 is a prime.

It is a super-2 number, since 2×128301313² = 32922453835047938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128301323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9164373 + ... + 9164386.

It is an arithmetic number, because the mean of its divisors is an integer number (36657520).

Almost surely, 2^128301313 is an apocalyptic number.

It is an amenable number.

128301313 is a deficient number, since it is larger than the sum of its proper divisors (18328767).

128301313 is an equidigital number, since it uses as much as digits as its factorization.

128301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18328766.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 128301313 is about 11327.0169506362. The cubic root of 128301313 is about 504.3635585994.

The spelling of 128301313 in words is "one hundred twenty-eight million, three hundred one thousand, three hundred thirteen".