320100013111 has 4 divisors (see below), whose sum is σ = 321724886472. Its totient is φ = 318475139752.

The previous prime is 320100013097. The next prime is 320100013141. The reversal of 320100013111 is 111310001023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320100013111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320100013091 and 320100013100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320100013141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812436385 + ... + 812436778.

It is an arithmetic number, because the mean of its divisors is an integer number (80431221618).

Almost surely, 2^320100013111 is an apocalyptic number.

320100013111 is a deficient number, since it is larger than the sum of its proper divisors (1624873361).

320100013111 is a wasteful number, since it uses less digits than its factorization.

320100013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624873360.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 320100013111 its reverse (111310001023), we get a palindrome (431410014134).

The spelling of 320100013111 in words is "three hundred twenty billion, one hundred million, thirteen thousand, one hundred eleven".