133310131131 has 4 divisors (see below), whose sum is σ = 177746841512. Its totient is φ = 88873420752.

The previous prime is 133310131127. The next prime is 133310131139. The reversal of 133310131131 is 131131013331.

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

It is not a de Polignac number, because 133310131131 - 2² = 133310131127 is a prime.

It is a super-2 number, since 2×133310131131² (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 = 133310131098 and 133310131107.

It is not an unprimeable number, because it can be changed into a prime (133310131139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22218355186 + ... + 22218355191.

It is an arithmetic number, because the mean of its divisors is an integer number (44436710378).

Almost surely, 2^133310131131 is an apocalyptic number.

133310131131 is a deficient number, since it is larger than the sum of its proper divisors (44436710381).

133310131131 is an equidigital number, since it uses as much as digits as its factorization.

133310131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44436710380.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 133310131131 its reverse (131131013331), we get a palindrome (264441144462).

The spelling of 133310131131 in words is "one hundred thirty-three billion, three hundred ten million, one hundred thirty-one thousand, one hundred thirty-one".