111030131013 has 4 divisors (see below), whose sum is σ = 148040174688. Its totient is φ = 74020087340.

The previous prime is 111030130963. The next prime is 111030131083. The reversal of 111030131013 is 310131030111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111030131013 - 2²⁸ = 110761695557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111030130983 and 111030131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111030131083) 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, 18505021833 + ... + 18505021838.

It is an arithmetic number, because the mean of its divisors is an integer number (37010043672).

Almost surely, 2^111030131013 is an apocalyptic number.

It is an amenable number.

111030131013 is a deficient number, since it is larger than the sum of its proper divisors (37010043675).

111030131013 is an equidigital number, since it uses as much as digits as its factorization.

111030131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37010043674.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 111030131013 its reverse (310131030111), we get a palindrome (421161161124).

The spelling of 111030131013 in words is "one hundred eleven billion, thirty million, one hundred thirty-one thousand, thirteen".