1113332031311 has 4 divisors (see below), whose sum is σ = 1132202065800. Its totient is φ = 1094461996824.

The previous prime is 1113332031299. The next prime is 1113332031353. The reversal of 1113332031311 is 1131302333111.

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

It is a de Polignac number, because none of the positive numbers 2^k-1113332031311 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 (1113332031811) 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, 9435017156 + ... + 9435017273.

It is an arithmetic number, because the mean of its divisors is an integer number (283050516450).

Almost surely, 2^{1113332031311} is an apocalyptic number.

1113332031311 is a deficient number, since it is larger than the sum of its proper divisors (18870034489).

1113332031311 is an equidigital number, since it uses as much as digits as its factorization.

1113332031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18870034488.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1113332031311 its reverse (1131302333111), we get a palindrome (2244634364422).

The spelling of 1113332031311 in words is "one trillion, one hundred thirteen billion, three hundred thirty-two million, thirty-one thousand, three hundred eleven".