111424200031 has 4 divisors (see below), whose sum is σ = 111545446000. Its totient is φ = 111302954064.

The previous prime is 111424200029. The next prime is 111424200047. The reversal of 111424200031 is 130002424111.

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 111424200031 - 2¹ = 111424200029 is a prime.

It is a super-2 number, since 2×111424200031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111424199981 and 111424200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111424209031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60621606 + ... + 60623443.

It is an arithmetic number, because the mean of its divisors is an integer number (27886361500).

Almost surely, 2^111424200031 is an apocalyptic number.

111424200031 is a deficient number, since it is larger than the sum of its proper divisors (121245969).

111424200031 is an equidigital number, since it uses as much as digits as its factorization.

111424200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121245968.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 111424200031 its reverse (130002424111), we get a palindrome (241426624142).

The spelling of 111424200031 in words is "one hundred eleven billion, four hundred twenty-four million, two hundred thousand, thirty-one".