133110112231 has 4 divisors (see below), whose sum is σ = 135096830392. Its totient is φ = 131123394072.

The previous prime is 133110112199. The next prime is 133110112279. The reversal of 133110112231 is 132211011331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132211011331 = 7 ⋅18887287333.

It is a cyclic number.

It is not a de Polignac number, because 133110112231 - 2⁵ = 133110112199 is a prime.

It is a super-2 number, since 2×133110112231² (a number of 23 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 = 133110112199 and 133110112208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133110212231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993358980 + ... + 993359113.

It is an arithmetic number, because the mean of its divisors is an integer number (33774207598).

Almost surely, 2^133110112231 is an apocalyptic number.

133110112231 is a deficient number, since it is larger than the sum of its proper divisors (1986718161).

133110112231 is an equidigital number, since it uses as much as digits as its factorization.

133110112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986718160.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 133110112231 its reverse (132211011331), we get a palindrome (265321123562).

The spelling of 133110112231 in words is "one hundred thirty-three billion, one hundred ten million, one hundred twelve thousand, two hundred thirty-one".