320111402400311 has 4 divisors (see below), whose sum is σ = 320335727140632. Its totient is φ = 319887077659992.

The previous prime is 320111402400253. The next prime is 320111402400371. The reversal of 320111402400311 is 113004204111023.

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 320111402400311 - 2¹⁰ = 320111402399287 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 (320111402400371) 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, 112162368020 + ... + 112162370873.

It is an arithmetic number, because the mean of its divisors is an integer number (80083931785158).

Almost surely, 2^{320111402400311} is an apocalyptic number.

320111402400311 is a deficient number, since it is larger than the sum of its proper divisors (224324740321).

320111402400311 is a wasteful number, since it uses less digits than its factorization.

320111402400311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224324740320.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 320111402400311 its reverse (113004204111023), we get a palindrome (433115606511334).

The spelling of 320111402400311 in words is "three hundred twenty trillion, one hundred eleven billion, four hundred two million, four hundred thousand, three hundred eleven".