320331100111 has 4 divisors (see below), whose sum is σ = 349452109224. Its totient is φ = 291210091000.

The previous prime is 320331100069. The next prime is 320331100121. The reversal of 320331100111 is 111001133023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111001133023 = 11 ⋅10091012093.

It is a cyclic number.

It is not a de Polignac number, because 320331100111 - 2⁷ = 320331099983 is a prime.

It is a super-2 number, since 2×320331100111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320331100121) 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, 14560504540 + ... + 14560504561.

It is an arithmetic number, because the mean of its divisors is an integer number (87363027306).

Almost surely, 2^320331100111 is an apocalyptic number.

320331100111 is a deficient number, since it is larger than the sum of its proper divisors (29121009113).

320331100111 is a wasteful number, since it uses less digits than its factorization.

320331100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29121009112.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 320331100111 its reverse (111001133023), we get a palindrome (431332233134).

The spelling of 320331100111 in words is "three hundred twenty billion, three hundred thirty-one million, one hundred thousand, one hundred eleven".