1131113223133 has 8 divisors (see below), whose sum is σ = 1199046800952. Its totient is φ = 1063334923776.

The previous prime is 1131113223127. The next prime is 1131113223173. The reversal of 1131113223133 is 3313223111311.

It can be written as a sum of positive squares in 4 ways, for example, as 232375094809 + 898738128324 = 482053^2 + 948018^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131113223133 - 2³³ = 1122523288541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131113223098 and 1131113223107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131113223173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38804610 + ... + 38833747.

It is an arithmetic number, because the mean of its divisors is an integer number (149880850119).

Almost surely, 2^{1131113223133} is an apocalyptic number.

It is an amenable number.

1131113223133 is a deficient number, since it is larger than the sum of its proper divisors (67933577819).

1131113223133 is an equidigital number, since it uses as much as digits as its factorization.

1131113223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77639231.

The product of its digits is 972, while the sum is 25.

Adding to 1131113223133 its reverse (3313223111311), we get a palindrome (4444336334444).

The spelling of 1131113223133 in words is "one trillion, one hundred thirty-one billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred thirty-three".