1113331131311 has 4 divisors (see below), whose sum is σ = 1272378435792. Its totient is φ = 954283826832.

The previous prime is 1113331131301. The next prime is 1113331131323. The reversal of 1113331131311 is 1131311333111.

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

It is not a de Polignac number, because 1113331131311 - 2¹⁰ = 1113331130287 is a prime.

It is a super-2 number, since 2×1113331131311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113331131301) 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, 79523652230 + ... + 79523652243.

It is an arithmetic number, because the mean of its divisors is an integer number (318094608948).

Almost surely, 2^{1113331131311} is an apocalyptic number.

1113331131311 is a deficient number, since it is larger than the sum of its proper divisors (159047304481).

1113331131311 is an equidigital number, since it uses as much as digits as its factorization.

1113331131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159047304480.

The product of its digits is 243, while the sum is 23.

Adding to 1113331131311 its reverse (1131311333111), we get a palindrome (2244642464422).

The spelling of 1113331131311 in words is "one trillion, one hundred thirteen billion, three hundred thirty-one million, one hundred thirty-one thousand, three hundred eleven".