320130535 has 4 divisors (see below), whose sum is σ = 384156648. Its totient is φ = 256104424.

The previous prime is 320130529. The next prime is 320130539. The reversal of 320130535 is 535031023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320130535 - 2⁷ = 320130407 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 (320130539) 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, 32013049 + ... + 32013058.

It is an arithmetic number, because the mean of its divisors is an integer number (96039162).

Almost surely, 2^320130535 is an apocalyptic number.

320130535 is a deficient number, since it is larger than the sum of its proper divisors (64026113).

320130535 is an equidigital number, since it uses as much as digits as its factorization.

320130535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64026112.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 320130535 is about 17892.1920121599. The cubic root of 320130535 is about 684.0833709066.

Adding to 320130535 its reverse (535031023), we get a palindrome (855161558).

The spelling of 320130535 in words is "three hundred twenty million, one hundred thirty thousand, five hundred thirty-five".