2311101331133 has 64 divisors (see below), whose sum is σ = 2887191724032. Its totient is φ = 1806622583040.

The previous prime is 2311101331111. The next prime is 2311101331139. The reversal of 2311101331133 is 3311331011132.

It is not a de Polignac number, because 2311101331133 - 2¹⁶ = 2311101265597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2311101331099 and 2311101331108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311101331139) 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 63 ways as a sum of consecutive naturals, for example, 154508891 + ... + 154523847.

It is an arithmetic number, because the mean of its divisors is an integer number (45112370688).

Almost surely, 2^{2311101331133} is an apocalyptic number.

2311101331133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2311101331133 is a deficient number, since it is larger than the sum of its proper divisors (576090392899).

2311101331133 is a wasteful number, since it uses less digits than its factorization.

2311101331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15474.

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

Adding to 2311101331133 its reverse (3311331011132), we get a palindrome (5622432342265).

The spelling of 2311101331133 in words is "two trillion, three hundred eleven billion, one hundred one million, three hundred thirty-one thousand, one hundred thirty-three".