133231233113 has 4 divisors (see below), whose sum is σ = 145343163408. Its totient is φ = 121119302820.

The previous prime is 133231233049. The next prime is 133231233127. The reversal of 133231233113 is 311332132331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133231233113 - 2⁶ = 133231233049 is a prime.

It is a super-2 number, since 2×133231233113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133231203113) 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 3 ways as a sum of consecutive naturals, for example, 6055965131 + ... + 6055965152.

It is an arithmetic number, because the mean of its divisors is an integer number (36335790852).

Almost surely, 2^133231233113 is an apocalyptic number.

It is an amenable number.

133231233113 is a deficient number, since it is larger than the sum of its proper divisors (12111930295).

133231233113 is a wasteful number, since it uses less digits than its factorization.

133231233113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111930294.

The product of its digits is 2916, while the sum is 26.

Adding to 133231233113 its reverse (311332132331), we get a palindrome (444563365444).

The spelling of 133231233113 in words is "one hundred thirty-three billion, two hundred thirty-one million, two hundred thirty-three thousand, one hundred thirteen".