131134111133 has 4 divisors (see below), whose sum is σ = 131355248508. Its totient is φ = 130912973760.

The previous prime is 131134111117. The next prime is 131134111177. The reversal of 131134111133 is 331111431131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116200537924 + 14933573209 = 340882^2 + 122203^2 .

It is a cyclic number.

It is not a de Polignac number, because 131134111133 - 2⁴ = 131134111117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131134111099 and 131134111108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131134111193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110567798 + ... + 110568983.

It is an arithmetic number, because the mean of its divisors is an integer number (32838812127).

Almost surely, 2^131134111133 is an apocalyptic number.

It is an amenable number.

131134111133 is a deficient number, since it is larger than the sum of its proper divisors (221137375).

131134111133 is an equidigital number, since it uses as much as digits as its factorization.

131134111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221137374.

The product of its digits is 324, while the sum is 23.

Adding to 131134111133 its reverse (331111431131), we get a palindrome (462245542264).

The spelling of 131134111133 in words is "one hundred thirty-one billion, one hundred thirty-four million, one hundred eleven thousand, one hundred thirty-three".