1111030131311 has 4 divisors (see below), whose sum is σ = 1169505401400. Its totient is φ = 1052554861224.

The previous prime is 1111030131283. The next prime is 1111030131347. The reversal of 1111030131311 is 1131310301111.

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 1111030131311 - 2¹⁸ = 1111029869167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111030131311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111030131361) 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, 29237635016 + ... + 29237635053.

It is an arithmetic number, because the mean of its divisors is an integer number (292376350350).

Almost surely, 2^{1111030131311} is an apocalyptic number.

1111030131311 is a deficient number, since it is larger than the sum of its proper divisors (58475270089).

1111030131311 is an equidigital number, since it uses as much as digits as its factorization.

1111030131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58475270088.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 1111030131311 its reverse (1131310301111), we get a palindrome (2242340432422).

The spelling of 1111030131311 in words is "one trillion, one hundred eleven billion, thirty million, one hundred thirty-one thousand, three hundred eleven".