320101311 has 8 divisors (see below), whose sum is σ = 426902400. Its totient is φ = 213350552.

The previous prime is 320101297. The next prime is 320101321. The reversal of 320101311 is 113101023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320101311 - 2⁶ = 320101247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320101321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6316 + ... + 26078.

It is an arithmetic number, because the mean of its divisors is an integer number (53362800).

Almost surely, 2^320101311 is an apocalyptic number.

320101311 is a deficient number, since it is larger than the sum of its proper divisors (106801089).

320101311 is a wasteful number, since it uses less digits than its factorization.

320101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25165.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 320101311 is about 17891.3753244405. The cubic root of 320101311 is about 684.0625541265.

Adding to 320101311 its reverse (113101023), we get a palindrome (433202334).

The spelling of 320101311 in words is "three hundred twenty million, one hundred one thousand, three hundred eleven".