13111131231133 has 16 divisors (see below), whose sum is σ = 14450876646976. Its totient is φ = 11818809999360.

The previous prime is 13111131231109. The next prime is 13111131231151. The reversal of 13111131231133 is 33113213111131.

It is not a de Polignac number, because 13111131231133 - 2⁹ = 13111131230621 is a prime.

It is a super-2 number, since 2×13111131231133² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111131231098 and 13111131231107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111131231533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558493 + ... + 5151133.

It is an arithmetic number, because the mean of its divisors is an integer number (903179790436).

Almost surely, 2^{13111131231133} is an apocalyptic number.

13111131231133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13111131231133 is a deficient number, since it is larger than the sum of its proper divisors (1339745415843).

13111131231133 is a wasteful number, since it uses less digits than its factorization.

13111131231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597804.

The product of its digits is 486, while the sum is 25.

Adding to 13111131231133 its reverse (33113213111131), we get a palindrome (46224344342264).

The spelling of 13111131231133 in words is "thirteen trillion, one hundred eleven billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-three".