128315351 has 2 divisors, whose sum is σ = 128315352. Its totient is φ = 128315350.

The previous prime is 128315323. The next prime is 128315353. The reversal of 128315351 is 153513821.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (153513821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128315351 - 2⁶ = 128315287 is a prime.

Together with 128315353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128315353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64157675 + 64157676.

It is an arithmetic number, because the mean of its divisors is an integer number (64157676).

Almost surely, 2^128315351 is an apocalyptic number.

128315351 is a deficient number, since it is larger than the sum of its proper divisors (1).

128315351 is an equidigital number, since it uses as much as digits as its factorization.

128315351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 29.

The square root of 128315351 is about 11327.6366025751. The cubic root of 128315351 is about 504.3819527926.

The spelling of 128315351 in words is "one hundred twenty-eight million, three hundred fifteen thousand, three hundred fifty-one".