1113133031311 has 12 divisors (see below), whose sum is σ = 1295123871168. Its totient is φ = 953926253952.

The previous prime is 1113133031287. The next prime is 1113133031321. The reversal of 1113133031311 is 1131303313111.

It is not a de Polignac number, because 1113133031311 - 2⁹ = 1113133030799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113133031321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1983586 + ... + 2482111.

It is an arithmetic number, because the mean of its divisors is an integer number (107926989264).

Almost surely, 2^{1113133031311} is an apocalyptic number.

1113133031311 is a deficient number, since it is larger than the sum of its proper divisors (181990839857).

1113133031311 is an equidigital number, since it uses as much as digits as its factorization.

1113133031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470798 (or 4470791 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 22.

Adding to 1113133031311 its reverse (1131303313111), we get a palindrome (2244436344422).

The spelling of 1113133031311 in words is "one trillion, one hundred thirteen billion, one hundred thirty-three million, thirty-one thousand, three hundred eleven".