111013320023831 has 2 divisors, whose sum is σ = 111013320023832. Its totient is φ = 111013320023830.

The previous prime is 111013320023803. The next prime is 111013320023869. The reversal of 111013320023831 is 138320023310111.

It is a weak prime.

It is an emirp because it is prime and its reverse (138320023310111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111013320023831 is a prime.

It is a super-2 number, since 2×111013320023831² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111013320023794 and 111013320023803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111013328023831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506660011915 + 55506660011916.

It is an arithmetic number, because the mean of its divisors is an integer number (55506660011916).

Almost surely, 2^{111013320023831} is an apocalyptic number.

111013320023831 is a deficient number, since it is larger than the sum of its proper divisors (1).

111013320023831 is an equidigital number, since it uses as much as digits as its factorization.

111013320023831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 111013320023831 its reverse (138320023310111), we get a palindrome (249333343333942).

The spelling of 111013320023831 in words is "one hundred eleven trillion, thirteen billion, three hundred twenty million, twenty-three thousand, eight hundred thirty-one".