113133231133 has 16 divisors (see below), whose sum is σ = 129565986480. Its totient is φ = 97858446336.

The previous prime is 113133231121. The next prime is 113133231137. The reversal of 113133231133 is 331132331311.

It can be written as a sum of positive squares in 8 ways, for example, as 732622489 + 112400608644 = 27067^2 + 335262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113133231133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113133231098 and 113133231107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113133231137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067110 + ... + 1168327.

It is an arithmetic number, because the mean of its divisors is an integer number (8097874155).

Almost surely, 2^113133231133 is an apocalyptic number.

113133231133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

113133231133 is a deficient number, since it is larger than the sum of its proper divisors (16432755347).

113133231133 is a wasteful number, since it uses less digits than its factorization.

113133231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235696.

The product of its digits is 1458, while the sum is 25.

Adding to 113133231133 its reverse (331132331311), we get a palindrome (444265562444).

The spelling of 113133231133 in words is "one hundred thirteen billion, one hundred thirty-three million, two hundred thirty-one thousand, one hundred thirty-three".