320131301111 has 4 divisors (see below), whose sum is σ = 320891708424. Its totient is φ = 319370893800.

The previous prime is 320131301089. The next prime is 320131301213. The reversal of 320131301111 is 111103131023.

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 320131301111 - 2¹⁰ = 320131300087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320131301111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320131301411) 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, 380203025 + ... + 380203866.

It is an arithmetic number, because the mean of its divisors is an integer number (80222927106).

Almost surely, 2^320131301111 is an apocalyptic number.

320131301111 is a deficient number, since it is larger than the sum of its proper divisors (760407313).

320131301111 is an equidigital number, since it uses as much as digits as its factorization.

320131301111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760407312.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 320131301111 its reverse (111103131023), we get a palindrome (431234432134).

The spelling of 320131301111 in words is "three hundred twenty billion, one hundred thirty-one million, three hundred one thousand, one hundred eleven".